80809367 has 2 divisors, whose sum is σ = 80809368. Its totient is φ = 80809366.

The previous prime is 80809301. The next prime is 80809397. The reversal of 80809367 is 76390808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80809367 - 2¹⁸ = 80547223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80809397) 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, 40404683 + 40404684.

It is an arithmetic number, because the mean of its divisors is an integer number (40404684).

Almost surely, 2^80809367 is an apocalyptic number.

80809367 is a deficient number, since it is larger than the sum of its proper divisors (1).

80809367 is an equidigital number, since it uses as much as digits as its factorization.

80809367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 80809367 is about 8989.4030391345. The cubic root of 80809367 is about 432.3351719133.

The spelling of 80809367 in words is "eighty million, eight hundred nine thousand, three hundred sixty-seven".