38857531934 has 16 divisors (see below), whose sum is σ = 63629723472. Its totient is φ = 17688570048.

The previous prime is 38857531849. The next prime is 38857531949. The reversal of 38857531934 is 43913575883.

It is a self number, because there is not a number n which added to its sum of digits gives 38857531934.

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, 10234544 + ... + 10238339.

It is an arithmetic number, because the mean of its divisors is an integer number (3976857717).

Almost surely, 2^38857531934 is an apocalyptic number.

38857531934 is a deficient number, since it is larger than the sum of its proper divisors (24772191538).

38857531934 is a wasteful number, since it uses less digits than its factorization.

38857531934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20472971.

The product of its digits is 10886400, while the sum is 56.

The spelling of 38857531934 in words is "thirty-eight billion, eight hundred fifty-seven million, five hundred thirty-one thousand, nine hundred thirty-four".