38739873672 has 32 divisors (see below), whose sum is σ = 107610760800. Its totient is φ = 12913291152.

The previous prime is 38739873617. The next prime is 38739873701. The reversal of 38739873672 is 27637893783.

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, 89675418 + ... + 89675849.

It is an arithmetic number, because the mean of its divisors is an integer number (3362836275).

Almost surely, 2^38739873672 is an apocalyptic number.

It is an amenable number.

38739873672 is an abundant number, since it is smaller than the sum of its proper divisors (68870887128).

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

38739873672 is a wasteful number, since it uses less digits than its factorization.

38739873672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179351282 (or 179351272 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The spelling of 38739873672 in words is "thirty-eight billion, seven hundred thirty-nine million, eight hundred seventy-three thousand, six hundred seventy-two".