870904205504 has 28 divisors (see below), whose sum is σ = 1728278615064. Its totient is φ = 435432428544.

The previous prime is 870904205489. The next prime is 870904205539. The reversal of 870904205504 is 405502409078.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175639 + ... + 1767465.

Almost surely, 2^870904205504 is an apocalyptic number.

It is an amenable number.

870904205504 is a deficient number, since it is larger than the sum of its proper divisors (857374409560).

870904205504 is a wasteful number, since it uses less digits than its factorization.

870904205504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614832 (or 614822 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 870904205504 in words is "eight hundred seventy billion, nine hundred four million, two hundred five thousand, five hundred four".