38057855817 has 16 divisors (see below), whose sum is σ = 56556567360. Its totient is φ = 22622625792.

The previous prime is 38057855807. The next prime is 38057855819. The reversal of 38057855817 is 71855875083.

38057855817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38057855817 - 2¹² = 38057851721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (38057855819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19636728 + ... + 19638665.

It is an arithmetic number, because the mean of its divisors is an integer number (3534785460).

Almost surely, 2^38057855817 is an apocalyptic number.

It is an amenable number.

38057855817 is a deficient number, since it is larger than the sum of its proper divisors (18498711543).

38057855817 is a wasteful number, since it uses less digits than its factorization.

38057855817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39275432.

The product of its (nonzero) digits is 9408000, while the sum is 57.

The spelling of 38057855817 in words is "thirty-eight billion, fifty-seven million, eight hundred fifty-five thousand, eight hundred seventeen".