80047989079 has 2 divisors, whose sum is σ = 80047989080. Its totient is φ = 80047989078.

The previous prime is 80047989061. The next prime is 80047989163. The reversal of 80047989079 is 97098974008.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80047989079 - 2²⁷ = 79913771351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80047989979) 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, 40023994539 + 40023994540.

It is an arithmetic number, because the mean of its divisors is an integer number (40023994540).

Almost surely, 2^80047989079 is an apocalyptic number.

80047989079 is a deficient number, since it is larger than the sum of its proper divisors (1).

80047989079 is an equidigital number, since it uses as much as digits as its factorization.

80047989079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The spelling of 80047989079 in words is "eighty billion, forty-seven million, nine hundred eighty-nine thousand, seventy-nine".