38931802768 has 40 divisors (see below), whose sum is σ = 76683529440. Its totient is φ = 19145126400.

The previous prime is 38931802751. The next prime is 38931802787. The reversal of 38931802768 is 86720813983.

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, 156168 + ... + 319768.

It is an arithmetic number, because the mean of its divisors is an integer number (1917088236).

Almost surely, 2^38931802768 is an apocalyptic number.

It is an amenable number.

38931802768 is a deficient number, since it is larger than the sum of its proper divisors (37751726672).

38931802768 is a wasteful number, since it uses less digits than its factorization.

38931802768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163855 (or 163849 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 38931802768 in words is "thirty-eight billion, nine hundred thirty-one million, eight hundred two thousand, seven hundred sixty-eight".