38571791172057 has 48 divisors (see below), whose sum is σ = 65820832459200. Its totient is φ = 21458073329280.

The previous prime is 38571791172043. The next prime is 38571791172133. The reversal of 38571791172057 is 75027119717583.

38571791172057 is a `hidden beast` number, since 3 + 8 + 571 + 7 + 9 + 1 + 1 + 7 + 2 + 0 + 57 = 666.

It is not a de Polignac number, because 38571791172057 - 2⁶ = 38571791171993 is a prime.

It is a super-2 number, since 2×38571791172057² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38571791171985 and 38571791172003.

It is not an unprimeable number, because it can be changed into a prime (38571791172157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83485582 + ... + 83946327.

It is an arithmetic number, because the mean of its divisors is an integer number (1371267342900).

Almost surely, 2^{38571791172057} is an apocalyptic number.

It is an amenable number.

38571791172057 is a deficient number, since it is larger than the sum of its proper divisors (27249041287143).

38571791172057 is a wasteful number, since it uses less digits than its factorization.

38571791172057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167432118 (or 167432115 counting only the distinct ones).

The product of its (nonzero) digits is 25930800, while the sum is 63.

The spelling of 38571791172057 in words is "thirty-eight trillion, five hundred seventy-one billion, seven hundred ninety-one million, one hundred seventy-two thousand, fifty-seven".