57577659697 has 2 divisors, whose sum is σ = 57577659698. Its totient is φ = 57577659696.

The previous prime is 57577659649. The next prime is 57577659757. The reversal of 57577659697 is 79695677575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49146012721 + 8431646976 = 221689^2 + 91824^2 .

It is a cyclic number.

It is not a de Polignac number, because 57577659697 - 2¹⁵ = 57577626929 is a prime.

It is not a weakly prime, because it can be changed into another prime (57577659647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28788829848 + 28788829849.

It is an arithmetic number, because the mean of its divisors is an integer number (28788829849).

Almost surely, 2^57577659697 is an apocalyptic number.

It is an amenable number.

57577659697 is a deficient number, since it is larger than the sum of its proper divisors (1).

57577659697 is an equidigital number, since it uses as much as digits as its factorization.

57577659697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 875164500, while the sum is 73.

The spelling of 57577659697 in words is "fifty-seven billion, five hundred seventy-seven million, six hundred fifty-nine thousand, six hundred ninety-seven".