38657051877 has 4 divisors (see below), whose sum is σ = 51542735840. Its totient is φ = 25771367916.

The previous prime is 38657051857. The next prime is 38657051887. The reversal of 38657051877 is 77815075683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 38657051877 - 2⁶ = 38657051813 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 (38657051837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6442841977 + ... + 6442841982.

It is an arithmetic number, because the mean of its divisors is an integer number (12885683960).

Almost surely, 2^38657051877 is an apocalyptic number.

It is an amenable number.

38657051877 is a deficient number, since it is larger than the sum of its proper divisors (12885683963).

38657051877 is a wasteful number, since it uses less digits than its factorization.

38657051877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12885683962.

The product of its (nonzero) digits is 9878400, while the sum is 57.

The spelling of 38657051877 in words is "thirty-eight billion, six hundred fifty-seven million, fifty-one thousand, eight hundred seventy-seven".