872858715 has 16 divisors (see below), whose sum is σ = 1397215008. Its totient is φ = 465310976.

The previous prime is 872858713. The next prime is 872858719. The reversal of 872858715 is 517858278.

It is a cyclic number.

It is not a de Polignac number, because 872858715 - 2¹ = 872858713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872858711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23737 + ... + 48053.

It is an arithmetic number, because the mean of its divisors is an integer number (87325938).

Almost surely, 2^872858715 is an apocalyptic number.

872858715 is a deficient number, since it is larger than the sum of its proper divisors (524356293).

872858715 is a wasteful number, since it uses less digits than its factorization.

872858715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26718.

The product of its digits is 1254400, while the sum is 51.

The square root of 872858715 is about 29544.1824222638. The cubic root of 872858715 is about 955.6847386767.

The spelling of 872858715 in words is "eight hundred seventy-two million, eight hundred fifty-eight thousand, seven hundred fifteen".