76799834609 has 2 divisors, whose sum is σ = 76799834610. Its totient is φ = 76799834608.

The previous prime is 76799834591. The next prime is 76799834623. The reversal of 76799834609 is 90643899767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75461738209 + 1338096400 = 274703^2 + 36580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76799834609 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 (76799834809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38399917304 + 38399917305.

It is an arithmetic number, because the mean of its divisors is an integer number (38399917305).

Almost surely, 2^76799834609 is an apocalyptic number.

It is an amenable number.

76799834609 is a deficient number, since it is larger than the sum of its proper divisors (1).

76799834609 is an equidigital number, since it uses as much as digits as its factorization.

76799834609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 68.

The spelling of 76799834609 in words is "seventy-six billion, seven hundred ninety-nine million, eight hundred thirty-four thousand, six hundred nine".