38917542808 has 16 divisors (see below), whose sum is σ = 77262769080. Its totient is φ = 18314137728.

The previous prime is 38917542779. The next prime is 38917542821. The reversal of 38917542808 is 80824571983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143079066 + ... + 143079337.

Almost surely, 2^38917542808 is an apocalyptic number.

It is an amenable number.

38917542808 is a deficient number, since it is larger than the sum of its proper divisors (38345226272).

38917542808 is a wasteful number, since it uses less digits than its factorization.

38917542808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286158426 (or 286158422 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 38917542808 in words is "thirty-eight billion, nine hundred seventeen million, five hundred forty-two thousand, eight hundred eight".