Fatto generale: 28817 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 28817 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 28817 is an uninteresting number.
Data storica: November 23rd is the day in 1959 that General Charles de Gaulle, President of France, declares in a speech in Strasbourg his vision for a "Europe, "from the Atlantic to the Urals.