86815308072 has 64 divisors (see below), whose sum is σ = 219348460800. Its totient is φ = 28630609920.

The previous prime is 86815308037. The next prime is 86815308131. The reversal of 86815308072 is 27080351868.

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, 12174204 + ... + 12181332.

It is an arithmetic number, because the mean of its divisors is an integer number (3427319700).

Almost surely, 2^86815308072 is an apocalyptic number.

It is an amenable number.

86815308072 is an abundant number, since it is smaller than the sum of its proper divisors (132533152728).

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

86815308072 is a wasteful number, since it uses less digits than its factorization.

86815308072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466 (or 12462 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 86815308072 in words is "eighty-six billion, eight hundred fifteen million, three hundred eight thousand, seventy-two".