Fatto generale: 18578 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 18578 is an unremarkable number.
Trivia: 18578 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: November 11th is the day in 2004 that the Palestine Liberation Organization confirms the death of Yasser Arafat from unidentified causes.