80934439 has 2 divisors, whose sum is σ = 80934440. Its totient is φ = 80934438.

The previous prime is 80934437. The next prime is 80934449. The reversal of 80934439 is 93443908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80934439 - 2¹ = 80934437 is a prime.

Together with 80934437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80934437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40467219 + 40467220.

It is an arithmetic number, because the mean of its divisors is an integer number (40467220).

Almost surely, 2^80934439 is an apocalyptic number.

80934439 is a deficient number, since it is larger than the sum of its proper divisors (1).

80934439 is an equidigital number, since it uses as much as digits as its factorization.

80934439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 80934439 is about 8996.3569849134. The cubic root of 80934439 is about 432.5581046152.

The spelling of 80934439 in words is "eighty million, nine hundred thirty-four thousand, four hundred thirty-nine".