76831100377 has 2 divisors, whose sum is σ = 76831100378. Its totient is φ = 76831100376.

The previous prime is 76831100363. The next prime is 76831100387. The reversal of 76831100377 is 77300113867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63360944656 + 13470155721 = 251716^2 + 116061^2 .

It is an emirp because it is prime and its reverse (77300113867) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76831100377 is a prime.

It is not a weakly prime, because it can be changed into another prime (76831100327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38415550188 + 38415550189.

It is an arithmetic number, because the mean of its divisors is an integer number (38415550189).

Almost surely, 2^76831100377 is an apocalyptic number.

It is an amenable number.

76831100377 is a deficient number, since it is larger than the sum of its proper divisors (1).

76831100377 is an equidigital number, since it uses as much as digits as its factorization.

76831100377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 43.

The spelling of 76831100377 in words is "seventy-six billion, eight hundred thirty-one million, one hundred thousand, three hundred seventy-seven".