38879403894 has 16 divisors (see below), whose sum is σ = 86398675440. Its totient is φ = 12959801280.

The previous prime is 38879403883. The next prime is 38879403907. The reversal of 38879403894 is 49830497883.

38879403894 is a `hidden beast` number, since 3 + 88 + 79 + 403 + 89 + 4 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359994427 + ... + 359994534.

It is an arithmetic number, because the mean of its divisors is an integer number (5399917215).

Almost surely, 2^38879403894 is an apocalyptic number.

38879403894 is an abundant number, since it is smaller than the sum of its proper divisors (47519271546).

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

38879403894 is a wasteful number, since it uses less digits than its factorization.

38879403894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719988972 (or 719988966 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 38879403894 in words is "thirty-eight billion, eight hundred seventy-nine million, four hundred three thousand, eight hundred ninety-four".