80038709 has 2 divisors, whose sum is σ = 80038710. Its totient is φ = 80038708.

The previous prime is 80038661. The next prime is 80038727. The reversal of 80038709 is 90783008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 20702500 = 7703^2 + 4550^2 .

It is a cyclic number.

It is not a de Polignac number, because 80038709 - 2²⁰ = 78990133 is a prime.

It is a super-4 number, since 4×80038709⁴ (a number of 33 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80038729) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40019354 + 40019355.

It is an arithmetic number, because the mean of its divisors is an integer number (40019355).

Almost surely, 2^80038709 is an apocalyptic number.

It is an amenable number.

80038709 is a deficient number, since it is larger than the sum of its proper divisors (1).

80038709 is an equidigital number, since it uses as much as digits as its factorization.

80038709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 80038709 is about 8946.4355471886. The cubic root of 80038709 is about 430.9564234775.

The spelling of 80038709 in words is "eighty million, thirty-eight thousand, seven hundred nine".