Hecho general: 4677 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 4677 is an uninteresting number.
Trivia: 4677 is a boring number.
Fecha histórica: October 20th is the day in 1910 that the hull of the RMS Olympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast, Northern Ireland.