80048809 has 9 divisors (see below), whose sum is σ = 83896183. Its totient is φ = 76371592.

The previous prime is 80048803. The next prime is 80048821. The reversal of 80048809 is 90884008.

The square root of 80048809 is 8947.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18896409 + 61152400 = 4347^2 + 7820^2 .

It is not a de Polignac number, because 80048809 - 2⁵ = 80048777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80048803) 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 in 8 ways as a sum of consecutive naturals, for example, 205587 + ... + 205975.

Almost surely, 2^80048809 is an apocalyptic number.

80048809 is the 8947-th square number.

80048809 is the 4474-th centered octagonal number.

It is an amenable number.

80048809 is a deficient number, since it is larger than the sum of its proper divisors (3847374).

80048809 is an frugal number, since it uses more digits than its factorization.

80048809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The cubic root of 80048809 is about 430.9745500267.

The spelling of 80048809 in words is "eighty million, forty-eight thousand, eight hundred nine".