871057604167764 has 96 divisors (see below), whose sum is σ = 2191720595186304. Its totient is φ = 267661617592320.

The previous prime is 871057604167733. The next prime is 871057604167801. The reversal of 871057604167764 is 467761406750178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703687144 + ... + 704923904.

It is an arithmetic number, because the mean of its divisors is an integer number (22830422866524).

Almost surely, 2^{871057604167764} is an apocalyptic number.

It is an amenable number.

871057604167764 is an abundant number, since it is smaller than the sum of its proper divisors (1320662991018540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

871057604167764 is a wasteful number, since it uses less digits than its factorization.

871057604167764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242777 (or 1242775 counting only the distinct ones).

The product of its (nonzero) digits is 331914240, while the sum is 69.

The spelling of 871057604167764 in words is "eight hundred seventy-one trillion, fifty-seven billion, six hundred four million, one hundred sixty-seven thousand, seven hundred sixty-four".