264807904255864 has 16 divisors (see below), whose sum is σ = 496515000659400. Its totient is φ = 132403904080032.

The previous prime is 264807904255849. The next prime is 264807904255883. The reversal of 264807904255864 is 468552409708462.

It is a junction number, because it is equal to n+sod(n) for n = 264807904255793 and 264807904255802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30394047 + ... + 38123665.

Almost surely, 2^{264807904255864} is an apocalyptic number.

It is an amenable number.

264807904255864 is a deficient number, since it is larger than the sum of its proper divisors (231707096403536).

264807904255864 is a wasteful number, since it uses less digits than its factorization.

264807904255864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011982 (or 12011978 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 70.

The spelling of 264807904255864 in words is "two hundred sixty-four trillion, eight hundred seven billion, nine hundred four million, two hundred fifty-five thousand, eight hundred sixty-four".