80504069 has 2 divisors, whose sum is σ = 80504070. Its totient is φ = 80504068.

The previous prime is 80504059. The next prime is 80504089. The reversal of 80504069 is 96040508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79887844 + 616225 = 8938^2 + 785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80504069 is a prime.

It is a super-2 number, since 2×80504069² = 12961810251113522, which contains 22 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 (80504059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40252034 + 40252035.

It is an arithmetic number, because the mean of its divisors is an integer number (40252035).

Almost surely, 2^80504069 is an apocalyptic number.

It is an amenable number.

80504069 is a deficient number, since it is larger than the sum of its proper divisors (1).

80504069 is an equidigital number, since it uses as much as digits as its factorization.

80504069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 80504069 is about 8972.4059761025. The cubic root of 80504069 is about 431.7900303501.

The spelling of 80504069 in words is "eighty million, five hundred four thousand, sixty-nine".