8080073447209 has 27 divisors (see below), whose sum is σ = 8569009304037. Its totient is φ = 7618389806016.

The previous prime is 8080073447197. The next prime is 8080073447231. The reversal of 8080073447209 is 9027443700808.

The square root of 8080073447209 is 2842547.

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

It can be written as a sum of positive squares in 4 ways, for example, as 22082851609 + 8057990595600 = 148603^2 + 2838660^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8080073447209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8080073447239) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4772635567 + ... + 4772637259.

Almost surely, 2^{8080073447209} is an apocalyptic number.

8080073447209 is the 2842547-th square number.

8080073447209 is the 1421274-th centered octagonal number.

It is an amenable number.

8080073447209 is a deficient number, since it is larger than the sum of its proper divisors (488935856828).

8080073447209 is an frugal number, since it uses more digits than its factorization.

8080073447209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 8080073447209 in words is "eight trillion, eighty billion, seventy-three million, four hundred forty-seven thousand, two hundred nine".