An apocalypse number is a number having 666 digits (where
666 is the beast number).
The Fibonacci number is the smallest Fibonacci apocalypse number (Livio
2002, p. 108).
Apocalypse primes are given by for , 1837, 6409, 7329, 8569, 8967, 9663, ... (OEIS A115983).
The smallest apocalypse prime containing the digits 666 is (Rupinski).