80044709 has 2 divisors, whose sum is σ = 80044710. Its totient is φ = 80044708.

The previous prime is 80044693. The next prime is 80044717. The reversal of 80044709 is 90744008.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 31684 = 8945^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 80044709 - 2⁴ = 80044693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80044729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40022354 + 40022355.

It is an arithmetic number, because the mean of its divisors is an integer number (40022355).

Almost surely, 2^80044709 is an apocalyptic number.

It is an amenable number.

80044709 is a deficient number, since it is larger than the sum of its proper divisors (1).

80044709 is an equidigital number, since it uses as much as digits as its factorization.

80044709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 80044709 is about 8946.7708699843. The cubic root of 80044709 is about 430.9671919084.

The spelling of 80044709 in words is "eighty million, forty-four thousand, seven hundred nine".