38137808637784 has 16 divisors (see below), whose sum is σ = 71508572922600. Its totient is φ = 19068855858432.

The previous prime is 38137808637779. The next prime is 38137808637793. The reversal of 38137808637784 is 48773680873183.

38137808637784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2596537 + ... + 9111400.

Almost surely, 2^{38137808637784} is an apocalyptic number.

It is an amenable number.

38137808637784 is a deficient number, since it is larger than the sum of its proper divisors (33370764284816).

38137808637784 is a wasteful number, since it uses less digits than its factorization.

38137808637784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12115122 (or 12115118 counting only the distinct ones).

The product of its (nonzero) digits is 910393344, while the sum is 73.

The spelling of 38137808637784 in words is "thirty-eight trillion, one hundred thirty-seven billion, eight hundred eight million, six hundred thirty-seven thousand, seven hundred eighty-four".