38931193086 has 16 divisors (see below), whose sum is σ = 80547296400. Its totient is φ = 12529579328.

The previous prime is 38931193039. The next prime is 38931193099. The reversal of 38931193086 is 68039113983.

It is a congruent number.

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, 111871071 + ... + 111871418.

It is an arithmetic number, because the mean of its divisors is an integer number (5034206025).

Almost surely, 2^38931193086 is an apocalyptic number.

38931193086 is an abundant number, since it is smaller than the sum of its proper divisors (41616103314).

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

38931193086 is a wasteful number, since it uses less digits than its factorization.

38931193086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223742523.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 38931193086 in words is "thirty-eight billion, nine hundred thirty-one million, one hundred ninety-three thousand, eighty-six".