57690798391 has 2 divisors, whose sum is σ = 57690798392. Its totient is φ = 57690798390.

The previous prime is 57690798367. The next prime is 57690798397. The reversal of 57690798391 is 19389709675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57690798391 - 2⁵ = 57690798359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57690798397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28845399195 + 28845399196.

It is an arithmetic number, because the mean of its divisors is an integer number (28845399196).

Almost surely, 2^57690798391 is an apocalyptic number.

57690798391 is a deficient number, since it is larger than the sum of its proper divisors (1).

57690798391 is an equidigital number, since it uses as much as digits as its factorization.

57690798391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 57690798391 in words is "fifty-seven billion, six hundred ninety million, seven hundred ninety-eight thousand, three hundred ninety-one".