57356488877 has 2 divisors, whose sum is σ = 57356488878. Its totient is φ = 57356488876.

The previous prime is 57356488829. The next prime is 57356488897. The reversal of 57356488877 is 77888465375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39619310116 + 17737178761 = 199046^2 + 133181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57356488877 is a prime.

It is a super-2 number, since 2×57356488877² (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 (57356488807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28678244438 + 28678244439.

It is an arithmetic number, because the mean of its divisors is an integer number (28678244439).

Almost surely, 2^57356488877 is an apocalyptic number.

It is an amenable number.

57356488877 is a deficient number, since it is larger than the sum of its proper divisors (1).

57356488877 is an equidigital number, since it uses as much as digits as its factorization.

57356488877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 316108800, while the sum is 68.

The spelling of 57356488877 in words is "fifty-seven billion, three hundred fifty-six million, four hundred eighty-eight thousand, eight hundred seventy-seven".