57761933897 has 2 divisors, whose sum is σ = 57761933898. Its totient is φ = 57761933896.

The previous prime is 57761933881. The next prime is 57761933947. The reversal of 57761933897 is 79833916775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41769549376 + 15992384521 = 204376^2 + 126461^2 .

It is a cyclic number.

It is not a de Polignac number, because 57761933897 - 2⁴ = 57761933881 is a prime.

It is not a weakly prime, because it can be changed into another prime (57761933807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28880966948 + 28880966949.

It is an arithmetic number, because the mean of its divisors is an integer number (28880966949).

Almost surely, 2^57761933897 is an apocalyptic number.

It is an amenable number.

57761933897 is a deficient number, since it is larger than the sum of its proper divisors (1).

57761933897 is an equidigital number, since it uses as much as digits as its factorization.

57761933897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 65.

The spelling of 57761933897 in words is "fifty-seven billion, seven hundred sixty-one million, nine hundred thirty-three thousand, eight hundred ninety-seven".