Fatto generale: 97809 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 97809 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 97809 is an unremarkable number.
Data storica: October 16th is the day in 456 that Magister militum Ricimer defeats Emperor Avitus at Piacenza and becomes master of the Western Roman Empire.