38856391175 has 36 divisors (see below), whose sum is σ = 56079787896. Its totient is φ = 26629444800.

The previous prime is 38856391157. The next prime is 38856391183. The reversal of 38856391175 is 57119365883.

It is not a de Polignac number, because 38856391175 - 2¹⁸ = 38856129031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38856391175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2455589 + ... + 2471361.

It is an arithmetic number, because the mean of its divisors is an integer number (1557771886).

Almost surely, 2^38856391175 is an apocalyptic number.

38856391175 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38856391175 is a deficient number, since it is larger than the sum of its proper divisors (17223396721).

38856391175 is a wasteful number, since it uses less digits than its factorization.

38856391175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17808 (or 17796 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 56.

The spelling of 38856391175 in words is "thirty-eight billion, eight hundred fifty-six million, three hundred ninety-one thousand, one hundred seventy-five".