80039269 has 2 divisors, whose sum is σ = 80039270. Its totient is φ = 80039268.

The previous prime is 80039249. The next prime is 80039279. The reversal of 80039269 is 96293008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80013025 + 26244 = 8945^2 + 162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80039269 is a prime.

It is a super-2 number, since 2×80039269² = 12812569164108722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80039209) 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, 40019634 + 40019635.

It is an arithmetic number, because the mean of its divisors is an integer number (40019635).

Almost surely, 2^80039269 is an apocalyptic number.

It is an amenable number.

80039269 is a deficient number, since it is larger than the sum of its proper divisors (1).

80039269 is an equidigital number, since it uses as much as digits as its factorization.

80039269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 80039269 is about 8946.4668445147. The cubic root of 80039269 is about 430.9574285538.

It can be divided in two parts, 80039 and 269, that added together give a palindrome (80308).

The spelling of 80039269 in words is "eighty million, thirty-nine thousand, two hundred sixty-nine".