Fait général: 86520 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 86520 is an unremarkable number.
Culture générale: 86520 is an unremarkable number.
Date historique: November 18th is the day in 1904 that General Esteban Huertas steps down after the government of Panama fears he wants to stage a coup.