80902992739 has 2 divisors, whose sum is σ = 80902992740. Its totient is φ = 80902992738.

The previous prime is 80902992661. The next prime is 80902992757. The reversal of 80902992739 is 93729920908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80902992739 - 2⁹ = 80902992227 is a prime.

It is not a weakly prime, because it can be changed into another prime (80902992239) 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, 40451496369 + 40451496370.

It is an arithmetic number, because the mean of its divisors is an integer number (40451496370).

Almost surely, 2^80902992739 is an apocalyptic number.

80902992739 is a deficient number, since it is larger than the sum of its proper divisors (1).

80902992739 is an equidigital number, since it uses as much as digits as its factorization.

80902992739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 80902992739 in words is "eighty billion, nine hundred two million, nine hundred ninety-two thousand, seven hundred thirty-nine".