57012570877 has 2 divisors, whose sum is σ = 57012570878. Its totient is φ = 57012570876.

The previous prime is 57012570803. The next prime is 57012570907. The reversal of 57012570877 is 77807521075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40614743961 + 16397826916 = 201531^2 + 128054^2 .

It is a cyclic number.

It is not a de Polignac number, because 57012570877 - 2⁷ = 57012570749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57012570877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57012576877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28506285438 + 28506285439.

It is an arithmetic number, because the mean of its divisors is an integer number (28506285439).

Almost surely, 2^57012570877 is an apocalyptic number.

It is an amenable number.

57012570877 is a deficient number, since it is larger than the sum of its proper divisors (1).

57012570877 is an equidigital number, since it uses as much as digits as its factorization.

57012570877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960400, while the sum is 49.

The spelling of 57012570877 in words is "fifty-seven billion, twelve million, five hundred seventy thousand, eight hundred seventy-seven".