52172862868 has 12 divisors (see below), whose sum is σ = 104345725792. Its totient is φ = 22359798360.

The previous prime is 52172862857. The next prime is 52172862877. The reversal of 52172862868 is 86826827125.

52172862868 is an admirable number.

It is a congruent 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, 931658238 + ... + 931658293.

Almost surely, 2^52172862868 is an apocalyptic number.

It is an amenable number.

52172862868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52172862868 is a wasteful number, since it uses less digits than its factorization.

52172862868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863316542 (or 1863316540 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 55.

The spelling of 52172862868 in words is "fifty-two billion, one hundred seventy-two million, eight hundred sixty-two thousand, eight hundred sixty-eight".