38957336856 has 80 divisors (see below), whose sum is σ = 109145751000. Its totient is φ = 12982311936.

The previous prime is 38957336807. The next prime is 38957336857. The reversal of 38957336856 is 65863375983.

38957336856 is a `hidden beast` number, since 3 + 8 + 9 + 573 + 3 + 6 + 8 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 38957336793 and 38957336802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38957336857) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3852495 + ... + 3862593.

Almost surely, 2^38957336856 is an apocalyptic number.

38957336856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38957336856 is an abundant number, since it is smaller than the sum of its proper divisors (70188414144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38957336856 is a wasteful number, since it uses less digits than its factorization.

38957336856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16070 (or 16057 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 38957336856 in words is "thirty-eight billion, nine hundred fifty-seven million, three hundred thirty-six thousand, eight hundred fifty-six".