57798627137 has 2 divisors, whose sum is σ = 57798627138. Its totient is φ = 57798627136.

The previous prime is 57798627113. The next prime is 57798627253. The reversal of 57798627137 is 73172689775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51627110656 + 6171516481 = 227216^2 + 78559^2 .

It is a cyclic number.

It is not a de Polignac number, because 57798627137 - 2¹⁰ = 57798626113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57798627137.

It is not a weakly prime, because it can be changed into another prime (57798627937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28899313568 + 28899313569.

It is an arithmetic number, because the mean of its divisors is an integer number (28899313569).

Almost surely, 2^57798627137 is an apocalyptic number.

It is an amenable number.

57798627137 is a deficient number, since it is larger than the sum of its proper divisors (1).

57798627137 is an equidigital number, since it uses as much as digits as its factorization.

57798627137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31116960, while the sum is 62.

The spelling of 57798627137 in words is "fifty-seven billion, seven hundred ninety-eight million, six hundred twenty-seven thousand, one hundred thirty-seven".