75977677913 has 2 divisors, whose sum is σ = 75977677914. Its totient is φ = 75977677912.

The previous prime is 75977677901. The next prime is 75977678003. The reversal of 75977677913 is 31977677957.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41696414809 + 34281263104 = 204197^2 + 185152^2 .

It is a cyclic number.

It is not a de Polignac number, because 75977677913 - 2¹⁰ = 75977676889 is a prime.

It is not a weakly prime, because it can be changed into another prime (75977677213) 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, 37988838956 + 37988838957.

It is an arithmetic number, because the mean of its divisors is an integer number (37988838957).

Almost surely, 2^75977677913 is an apocalyptic number.

It is an amenable number.

75977677913 is a deficient number, since it is larger than the sum of its proper divisors (1).

75977677913 is an equidigital number, since it uses as much as digits as its factorization.

75977677913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122523030, while the sum is 68.

The spelling of 75977677913 in words is "seventy-five billion, nine hundred seventy-seven million, six hundred seventy-seven thousand, nine hundred thirteen".