872658679715 has 4 divisors (see below), whose sum is σ = 1047190415664. Its totient is φ = 698126943768.

The previous prime is 872658679639. The next prime is 872658679729. The reversal of 872658679715 is 517976856278.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 872658679715 - 2¹² = 872658675619 is a prime.

It is a Duffinian 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, 87265867967 + ... + 87265867976.

It is an arithmetic number, because the mean of its divisors is an integer number (261797603916).

Almost surely, 2^872658679715 is an apocalyptic number.

872658679715 is a deficient number, since it is larger than the sum of its proper divisors (174531735949).

872658679715 is a wasteful number, since it uses less digits than its factorization.

872658679715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174531735948.

The product of its digits is 355622400, while the sum is 71.

The spelling of 872658679715 in words is "eight hundred seventy-two billion, six hundred fifty-eight million, six hundred seventy-nine thousand, seven hundred fifteen".