Robert Manning bought his ticket on March 5, stuffed it in his wallet, and forgot about it until earlier this week when he decided to check through his stash of old tickets.
Manning said the money will come in useful because he is presently putting one of his children through college.
"It feels crazy," Manning said. "It feels like there's nine million things going through my mind."
The US Powerball is a multi-state game that offers a minimum jackpot of $40 million. Numbers are drawn on Wednesdays and Saturdays at 22:59 (EST). The next Powerball drawing has an estimated jackpot of $96 million.