38977786927044 has 72 divisors (see below), whose sum is σ = 112607321194368. Its totient is φ = 11136033290880.

The previous prime is 38977786927039. The next prime is 38977786927061. The reversal of 38977786927044 is 44072968777983.

38977786927044 is a `hidden beast` number, since 389 + 7 + 7 + 7 + 86 + 92 + 70 + 4 + 4 = 666.

38977786927044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2598489 + ... + 9203679.

It is an arithmetic number, because the mean of its divisors is an integer number (1563990572144).

Almost surely, 2^{38977786927044} is an apocalyptic number.

It is an amenable number.

38977786927044 is an abundant number, since it is smaller than the sum of its proper divisors (73629534267324).

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

38977786927044 is a wasteful number, since it uses less digits than its factorization.

38977786927044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628625 (or 6628620 counting only the distinct ones).

The product of its (nonzero) digits is 7169347584, while the sum is 81.

The spelling of 38977786927044 in words is "thirty-eight trillion, nine hundred seventy-seven billion, seven hundred eighty-six million, nine hundred twenty-seven thousand, forty-four".