80942339 has 2 divisors, whose sum is σ = 80942340. Its totient is φ = 80942338.

The previous prime is 80942317. The next prime is 80942353. The reversal of 80942339 is 93324908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80942339 - 2²⁰ = 79893763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80942399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40471169 + 40471170.

It is an arithmetic number, because the mean of its divisors is an integer number (40471170).

Almost surely, 2^80942339 is an apocalyptic number.

80942339 is a deficient number, since it is larger than the sum of its proper divisors (1).

80942339 is an equidigital number, since it uses as much as digits as its factorization.

80942339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 80942339 is about 8996.7960408136. The cubic root of 80942339 is about 432.5721781373.

The spelling of 80942339 in words is "eighty million, nine hundred forty-two thousand, three hundred thirty-nine".