Fatto generale: 8797 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 8797 is a structured hexagonal diamond number.
Trivia: 8797 is an unremarkable number.
Data storica: January 31st is the day in 1996 that an explosives-filled truck rams into the gates of the Central Bank of Sri Lanka in Colombo, Sri Lanka killing at least 86 and injuring 1,400.