76691461793 has 2 divisors, whose sum is σ = 76691461794. Its totient is φ = 76691461792.

The previous prime is 76691461787. The next prime is 76691461829. The reversal of 76691461793 is 39716419667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66415990369 + 10275471424 = 257713^2 + 101368^2 .

It is a cyclic number.

It is not a de Polignac number, because 76691461793 - 2²⁶ = 76624352929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (76691460793) 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, 38345730896 + 38345730897.

It is an arithmetic number, because the mean of its divisors is an integer number (38345730897).

Almost surely, 2^76691461793 is an apocalyptic number.

It is an amenable number.

76691461793 is a deficient number, since it is larger than the sum of its proper divisors (1).

76691461793 is an equidigital number, since it uses as much as digits as its factorization.

76691461793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 59.

The spelling of 76691461793 in words is "seventy-six billion, six hundred ninety-one million, four hundred sixty-one thousand, seven hundred ninety-three".