57186438475397 has 32 divisors (see below), whose sum is σ = 74528904806400. Its totient is φ = 42577547875200.

The previous prime is 57186438475391. The next prime is 57186438475433. The reversal of 57186438475397 is 79357483468175.

It is a cyclic number.

It is not a de Polignac number, because 57186438475397 - 2¹⁶ = 57186438409861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57186438475391) 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, 151440872 + ... + 151818017.

It is an arithmetic number, because the mean of its divisors is an integer number (2329028275200).

Almost surely, 2^{57186438475397} is an apocalyptic number.

It is an amenable number.

57186438475397 is a deficient number, since it is larger than the sum of its proper divisors (17342466331003).

57186438475397 is a wasteful number, since it uses less digits than its factorization.

57186438475397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303259017.

The product of its digits is 4267468800, while the sum is 77.

The spelling of 57186438475397 in words is "fifty-seven trillion, one hundred eighty-six billion, four hundred thirty-eight million, four hundred seventy-five thousand, three hundred ninety-seven".