15872858716 has 72 divisors (see below), whose sum is σ = 34114906224. Its totient is φ = 6370256640.

The previous prime is 15872858689. The next prime is 15872858737. The reversal of 15872858716 is 61785827851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276360 + ... + 328816.

It is an arithmetic number, because the mean of its divisors is an integer number (473818142).

Almost surely, 2^15872858716 is an apocalyptic number.

It is an amenable number.

15872858716 is an abundant number, since it is smaller than the sum of its proper divisors (18242047508).

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

15872858716 is a wasteful number, since it uses less digits than its factorization.

15872858716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52531 (or 52506 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 58.

The spelling of 15872858716 in words is "fifteen billion, eight hundred seventy-two million, eight hundred fifty-eight thousand, seven hundred sixteen".