86720522316 has 48 divisors (see below), whose sum is σ = 211187687424. Its totient is φ = 27644512896.

The previous prime is 86720522279. The next prime is 86720522321. The reversal of 86720522316 is 61322502768.

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, 1490280 + ... + 1547376.

It is an arithmetic number, because the mean of its divisors is an integer number (4399743488).

Almost surely, 2^86720522316 is an apocalyptic number.

It is an amenable number.

86720522316 is an abundant number, since it is smaller than the sum of its proper divisors (124467165108).

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

86720522316 is a wasteful number, since it uses less digits than its factorization.

86720522316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62630 (or 62628 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 86720522316 in words is "eighty-six billion, seven hundred twenty million, five hundred twenty-two thousand, three hundred sixteen".