The state collected $61 million in income taxes from the victor.
The commission said the victor marvelled at every decision they made that got them to the right place at the right time to buy the ticket.
A window at the KC Mart that proudly displays they sold a winning Mega Millions ticket in SC a year ago.
The newly minted billionaire has chosen to remain anonymous - meaning we'll likely never know their identity.
The victor let another customer buy a Mega Millions ticket in front of them in line, which " led to an incredible outcome", according to the news release.
And he's got good reason to be happy, because, according to the lottery's rules, the shop that sold the lucky ticket will also scoop a $50,000 (£37,900) prize.
"The State of SC will benefit from $61 million that will be collected in income taxes from the victor", said Brown.
For months, SC residents had speculated on why the victor had not stepped forward.More news: Bryce Harper Signs The Most Expensive Contract In MLB History
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But the cash option payment chosen by the South Carolina Mega Millions victor amounts to a lump-sum total of US$877,784,124 - the largest jackpot payout to a single victor in USA history, the state lottery commission said.
"It's already spent", said Patel, adding that he has spent the windfall on bills.
For months, SC residents had speculated on why the victor hadn't stepped forward.
Others speculated the winning ticket had been purchased by an office pool and was now the subject of litigation.
If the money hadn't been claimed, it would have been divided among all 44 states that take part in the Mega Millions contest, the newspaper said.
The victor had until 5 p.m. on April 19 to come forward with the winning ticket.
Lottery officials said that's the largest jackpot payout to a single victor in USA history.
The statement Monday gave no clue as to why the victor took his or her time to come forward. "Obviously, South Carolina will reap the benefits of that", House Ways and Means Chairman Murrell Smith, R-Sumter, told The Post and Courier.