80480278139 has 2 divisors, whose sum is σ = 80480278140. Its totient is φ = 80480278138.

The previous prime is 80480278117. The next prime is 80480278181. The reversal of 80480278139 is 93187208408.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80480278139 is a prime.

It is not a weakly prime, because it can be changed into another prime (80480278199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40240139069 + 40240139070.

It is an arithmetic number, because the mean of its divisors is an integer number (40240139070).

Almost surely, 2^80480278139 is an apocalyptic number.

80480278139 is a deficient number, since it is larger than the sum of its proper divisors (1).

80480278139 is an equidigital number, since it uses as much as digits as its factorization.

80480278139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 80480278139 in words is "eighty billion, four hundred eighty million, two hundred seventy-eight thousand, one hundred thirty-nine".