38657347157 has 32 divisors (see below), whose sum is σ = 45828894720. Its totient is φ = 32145750720.

The previous prime is 38657347151. The next prime is 38657347181. The reversal of 38657347157 is 75174375683.

It is a cyclic number.

It is not a de Polignac number, because 38657347157 - 2⁸ = 38657346901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38657347151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8552144 + ... + 8556662.

It is an arithmetic number, because the mean of its divisors is an integer number (1432152960).

Almost surely, 2^38657347157 is an apocalyptic number.

It is an amenable number.

38657347157 is a deficient number, since it is larger than the sum of its proper divisors (7171547563).

38657347157 is a wasteful number, since it uses less digits than its factorization.

38657347157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073.

The product of its digits is 14817600, while the sum is 56.

The spelling of 38657347157 in words is "thirty-eight billion, six hundred fifty-seven million, three hundred forty-seven thousand, one hundred fifty-seven".