Fait général: 78840 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 78840 is a boring number.
Culture générale: 78840 is a boring number.
Date historique: November 9th is the day in 1799 that Napoleon Bonaparte leads the Coup d'état of 18 Brumaire ending the Directory government, and becoming one of its three Consuls (Consulate Government).