77959568411 has 2 divisors, whose sum is σ = 77959568412. Its totient is φ = 77959568410.

The previous prime is 77959568399. The next prime is 77959568413. The reversal of 77959568411 is 11486595977.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77959568411 - 2⁶ = 77959568347 is a prime.

It is a Sophie Germain prime.

Together with 77959568413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77959568413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38979784205 + 38979784206.

It is an arithmetic number, because the mean of its divisors is an integer number (38979784206).

Almost surely, 2^77959568411 is an apocalyptic number.

77959568411 is a deficient number, since it is larger than the sum of its proper divisors (1).

77959568411 is an equidigital number, since it uses as much as digits as its factorization.

77959568411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 62.

The spelling of 77959568411 in words is "seventy-seven billion, nine hundred fifty-nine million, five hundred sixty-eight thousand, four hundred eleven".