86331785624 has 32 divisors (see below), whose sum is σ = 188772132000. Its totient is φ = 36999335520.

The previous prime is 86331785623. The next prime is 86331785633. The reversal of 86331785624 is 42658713368.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86331785621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15728267 + ... + 15733754.

It is an arithmetic number, because the mean of its divisors is an integer number (5899129125).

Almost surely, 2^86331785624 is an apocalyptic number.

It is an amenable number.

86331785624 is an abundant number, since it is smaller than the sum of its proper divisors (102440346376).

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

86331785624 is a wasteful number, since it uses less digits than its factorization.

86331785624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31462048 (or 31462030 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 86331785624 in words is "eighty-six billion, three hundred thirty-one million, seven hundred eighty-five thousand, six hundred twenty-four".