80675239 has 2 divisors, whose sum is σ = 80675240. Its totient is φ = 80675238.

The previous prime is 80675227. The next prime is 80675269. The reversal of 80675239 is 93257608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80675239 - 2¹³ = 80667047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80675219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40337619 + 40337620.

It is an arithmetic number, because the mean of its divisors is an integer number (40337620).

Almost surely, 2^80675239 is an apocalyptic number.

80675239 is a deficient number, since it is larger than the sum of its proper divisors (1).

80675239 is an equidigital number, since it uses as much as digits as its factorization.

80675239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 80675239 is about 8981.9396012220. The cubic root of 80675239 is about 432.0958417184.

The spelling of 80675239 in words is "eighty million, six hundred seventy-five thousand, two hundred thirty-nine".