86715478680 has 64 divisors (see below), whose sum is σ = 269117013600. Its totient is φ = 22326743040.

The previous prime is 86715478657. The next prime is 86715478691. The reversal of 86715478680 is 8687451768.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 12455641 + ... + 12462600.

Almost surely, 2^86715478680 is an apocalyptic number.

It is an amenable number.

86715478680 is an abundant number, since it is smaller than the sum of its proper divisors (182401534920).

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

86715478680 is a wasteful number, since it uses less digits than its factorization.

86715478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24918284 (or 24918280 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 60.

The spelling of 86715478680 in words is "eighty-six billion, seven hundred fifteen million, four hundred seventy-eight thousand, six hundred eighty".