76557090373 has 2 divisors, whose sum is σ = 76557090374. Its totient is φ = 76557090372.

The previous prime is 76557090367. The next prime is 76557090419. The reversal of 76557090373 is 37309075567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76254956449 + 302133924 = 276143^2 + 17382^2 .

It is a cyclic number.

It is not a de Polignac number, because 76557090373 - 2¹³ = 76557082181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76557090373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76557090353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38278545186 + 38278545187.

It is an arithmetic number, because the mean of its divisors is an integer number (38278545187).

Almost surely, 2^76557090373 is an apocalyptic number.

It is an amenable number.

76557090373 is a deficient number, since it is larger than the sum of its proper divisors (1).

76557090373 is an equidigital number, since it uses as much as digits as its factorization.

76557090373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4167450, while the sum is 52.

The spelling of 76557090373 in words is "seventy-six billion, five hundred fifty-seven million, ninety thousand, three hundred seventy-three".