80739313 has 2 divisors, whose sum is σ = 80739314. Its totient is φ = 80739312.

The previous prime is 80739293. The next prime is 80739319. The reversal of 80739313 is 31393708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77739489 + 2999824 = 8817^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 80739313 - 2²⁵ = 47184881 is a prime.

It is not a weakly prime, because it can be changed into another prime (80739319) 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, 40369656 + 40369657.

It is an arithmetic number, because the mean of its divisors is an integer number (40369657).

Almost surely, 2^80739313 is an apocalyptic number.

It is an amenable number.

80739313 is a deficient number, since it is larger than the sum of its proper divisors (1).

80739313 is an equidigital number, since it uses as much as digits as its factorization.

80739313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 80739313 is about 8985.5057175431. The cubic root of 80739313 is about 432.2102046997.

The spelling of 80739313 in words is "eighty million, seven hundred thirty-nine thousand, three hundred thirteen".