57207406880731 has 2 divisors, whose sum is σ = 57207406880732. Its totient is φ = 57207406880730.

The previous prime is 57207406880717. The next prime is 57207406880749. The reversal of 57207406880731 is 13708860470275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57207406880731 - 2⁵ = 57207406880699 is a prime.

It is a super-2 number, since 2×57207406880731² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57207406880431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28603703440365 + 28603703440366.

It is an arithmetic number, because the mean of its divisors is an integer number (28603703440366).

Almost surely, 2^{57207406880731} is an apocalyptic number.

57207406880731 is a deficient number, since it is larger than the sum of its proper divisors (1).

57207406880731 is an equidigital number, since it uses as much as digits as its factorization.

57207406880731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15805440, while the sum is 58.

The spelling of 57207406880731 in words is "fifty-seven trillion, two hundred seven billion, four hundred six million, eight hundred eighty thousand, seven hundred thirty-one".