872857158715 has 16 divisors (see below), whose sum is σ = 1049790287520. Its totient is φ = 696711604480.

The previous prime is 872857158707. The next prime is 872857158737. The reversal of 872857158715 is 517851758278.

It is not a de Polignac number, because 872857158715 - 2³ = 872857158707 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29333745 + ... + 29363485.

It is an arithmetic number, because the mean of its divisors is an integer number (65611892970).

Almost surely, 2^872857158715 is an apocalyptic number.

872857158715 is a deficient number, since it is larger than the sum of its proper divisors (176933128805).

872857158715 is a wasteful number, since it uses less digits than its factorization.

872857158715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42782.

The product of its digits is 43904000, while the sum is 64.

The spelling of 872857158715 in words is "eight hundred seventy-two billion, eight hundred fifty-seven million, one hundred fifty-eight thousand, seven hundred fifteen".