57215369875 has 8 divisors (see below), whose sum is σ = 71404781760. Its totient is φ = 45772295800.

The previous prime is 57215369873. The next prime is 57215369903. The reversal of 57215369875 is 57896351275.

It is a happy number.

It is not a de Polignac number, because 57215369875 - 2¹ = 57215369873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57215369873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228861355 + ... + 228861604.

It is an arithmetic number, because the mean of its divisors is an integer number (8925597720).

Almost surely, 2^57215369875 is an apocalyptic number.

57215369875 is a deficient number, since it is larger than the sum of its proper divisors (14189411885).

57215369875 is an equidigital number, since it uses as much as digits as its factorization.

57215369875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457722974 (or 457722964 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 58.

The spelling of 57215369875 in words is "fifty-seven billion, two hundred fifteen million, three hundred sixty-nine thousand, eight hundred seventy-five".