57187514679677 has 2 divisors, whose sum is σ = 57187514679678. Its totient is φ = 57187514679676.

The previous prime is 57187514679623. The next prime is 57187514679683. The reversal of 57187514679677 is 77697641578175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53945998902436 + 3241515777241 = 7344794^2 + 1800421^2 .

It is a cyclic number.

It is not a de Polignac number, because 57187514679677 - 2²⁴ = 57187497902461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57187514679377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28593757339838 + 28593757339839.

It is an arithmetic number, because the mean of its divisors is an integer number (28593757339839).

Almost surely, 2^{57187514679677} is an apocalyptic number.

It is an amenable number.

57187514679677 is a deficient number, since it is larger than the sum of its proper divisors (1).

57187514679677 is an equidigital number, since it uses as much as digits as its factorization.

57187514679677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4356374400, while the sum is 80.

The spelling of 57187514679677 in words is "fifty-seven trillion, one hundred eighty-seven billion, five hundred fourteen million, six hundred seventy-nine thousand, six hundred seventy-seven".