57723813877 has 2 divisors, whose sum is σ = 57723813878. Its totient is φ = 57723813876.

The previous prime is 57723813869. The next prime is 57723813899. The reversal of 57723813877 is 77831832775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52452908676 + 5270905201 = 229026^2 + 72601^2 .

It is a cyclic number.

It is not a de Polignac number, because 57723813877 - 2³ = 57723813869 is a prime.

It is a super-2 number, since 2×57723813877² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57723813857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28861906938 + 28861906939.

It is an arithmetic number, because the mean of its divisors is an integer number (28861906939).

Almost surely, 2^57723813877 is an apocalyptic number.

It is an amenable number.

57723813877 is a deficient number, since it is larger than the sum of its proper divisors (1).

57723813877 is an equidigital number, since it uses as much as digits as its factorization.

57723813877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13829760, while the sum is 58.

The spelling of 57723813877 in words is "fifty-seven billion, seven hundred twenty-three million, eight hundred thirteen thousand, eight hundred seventy-seven".