57769088021 has 2 divisors, whose sum is σ = 57769088022. Its totient is φ = 57769088020.

The previous prime is 57769087991. The next prime is 57769088057. The reversal of 57769088021 is 12088096775.

57769088021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34119261796 + 23649826225 = 184714^2 + 153785^2 .

It is a cyclic number.

It is not a de Polignac number, because 57769088021 - 2²² = 57764893717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57769088071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28884544010 + 28884544011.

It is an arithmetic number, because the mean of its divisors is an integer number (28884544011).

Almost surely, 2^57769088021 is an apocalyptic number.

It is an amenable number.

57769088021 is a deficient number, since it is larger than the sum of its proper divisors (1).

57769088021 is an equidigital number, since it uses as much as digits as its factorization.

57769088021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 57769088021 in words is "fifty-seven billion, seven hundred sixty-nine million, eighty-eight thousand, twenty-one".