86389932940 has 24 divisors (see below), whose sum is σ = 181436436720. Its totient is φ = 34552625088.

The previous prime is 86389932917. The next prime is 86389932973. The reversal of 86389932940 is 4923998368.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7819 + ... + 415741.

It is an arithmetic number, because the mean of its divisors is an integer number (7559851530).

Almost surely, 2^86389932940 is an apocalyptic number.

It is an amenable number.

86389932940 is an abundant number, since it is smaller than the sum of its proper divisors (95046503780).

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

86389932940 is a wasteful number, since it uses less digits than its factorization.

86389932940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418521 (or 418519 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 86389932940 in words is "eighty-six billion, three hundred eighty-nine million, nine hundred thirty-two thousand, nine hundred forty".