57916881247 has 2 divisors, whose sum is σ = 57916881248. Its totient is φ = 57916881246.

The previous prime is 57916881203. The next prime is 57916881257. The reversal of 57916881247 is 74218861975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57916881247 - 2²³ = 57908492639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57916881191 and 57916881200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57916881257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28958440623 + 28958440624.

It is an arithmetic number, because the mean of its divisors is an integer number (28958440624).

Almost surely, 2^57916881247 is an apocalyptic number.

57916881247 is a deficient number, since it is larger than the sum of its proper divisors (1).

57916881247 is an equidigital number, since it uses as much as digits as its factorization.

57916881247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 58.

The spelling of 57916881247 in words is "fifty-seven billion, nine hundred sixteen million, eight hundred eighty-one thousand, two hundred forty-seven".