808791368279 has 2 divisors, whose sum is σ = 808791368280. Its totient is φ = 808791368278.

The previous prime is 808791368261. The next prime is 808791368291. The reversal of 808791368279 is 972863197808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 808791368279 - 2²⁴ = 808774591063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808791368249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404395684139 + 404395684140.

It is an arithmetic number, because the mean of its divisors is an integer number (404395684140).

Almost surely, 2^808791368279 is an apocalyptic number.

808791368279 is a deficient number, since it is larger than the sum of its proper divisors (1).

808791368279 is an equidigital number, since it uses as much as digits as its factorization.

808791368279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 68.

The spelling of 808791368279 in words is "eight hundred eight billion, seven hundred ninety-one million, three hundred sixty-eight thousand, two hundred seventy-nine".