86178125580 has 96 divisors (see below), whose sum is σ = 259403074560. Its totient is φ = 21308083200.

The previous prime is 86178125549. The next prime is 86178125681. The reversal of 86178125580 is 8552187168.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750621 + ... + 857780.

It is an arithmetic number, because the mean of its divisors is an integer number (2702115360).

Almost surely, 2^86178125580 is an apocalyptic number.

It is an amenable number.

86178125580 is an abundant number, since it is smaller than the sum of its proper divisors (173224948980).

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

86178125580 is a wasteful number, since it uses less digits than its factorization.

86178125580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608479 (or 1608477 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 51.

The spelling of 86178125580 in words is "eighty-six billion, one hundred seventy-eight million, one hundred twenty-five thousand, five hundred eighty".