80004505 has 12 divisors (see below), whose sum is σ = 111680100. Its totient is φ = 54860064.

The previous prime is 80004479. The next prime is 80004527. The reversal of 80004505 is 50540008.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10732176 + 69272329 = 3276^2 + 8323^2 .

It is not a de Polignac number, because 80004505 - 2⁵ = 80004473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163030 + ... + 163519.

It is an arithmetic number, because the mean of its divisors is an integer number (9306675).

Almost surely, 2^80004505 is an apocalyptic number.

It is an amenable number.

80004505 is a deficient number, since it is larger than the sum of its proper divisors (31675595).

80004505 is a wasteful number, since it uses less digits than its factorization.

80004505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326568 (or 326561 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 80004505 is about 8944.5237436098. The cubic root of 80004505 is about 430.8950259615.

The spelling of 80004505 in words is "eighty million, four thousand, five hundred five".