38979016263172 has 12 divisors (see below), whose sum is σ = 68590147403596. Its totient is φ = 19381831290720.

The previous prime is 38979016263157. The next prime is 38979016263211. The reversal of 38979016263172 is 27136261097983.

It can be written as a sum of positive squares in 2 ways, for example, as 16540358856256 + 22438657406916 = 4066984^2 + 4736946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26919209403 + ... + 26919210850.

Almost surely, 2^{38979016263172} is an apocalyptic number.

It is an amenable number.

38979016263172 is a deficient number, since it is larger than the sum of its proper divisors (29611131140424).

38979016263172 is a wasteful number, since it uses less digits than its factorization.

38979016263172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53838420438 (or 53838420436 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 38979016263172 in words is "thirty-eight trillion, nine hundred seventy-nine billion, sixteen million, two hundred sixty-three thousand, one hundred seventy-two".