809608008008 has 16 divisors (see below), whose sum is σ = 1528203037500. Its totient is φ = 402087198016.

The previous prime is 809608007969. The next prime is 809608008031. The reversal of 809608008008 is 800800806908.

It can be written as a sum of positive squares in 2 ways, for example, as 798596024164 + 11011983844 = 893642^2 + 104938^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339599483 + ... + 339601866.

Almost surely, 2^809608008008 is an apocalyptic number.

It is an amenable number.

809608008008 is a deficient number, since it is larger than the sum of its proper divisors (718595029492).

809608008008 is a wasteful number, since it uses less digits than its factorization.

809608008008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679201504 (or 679201500 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 809608008008 in words is "eight hundred nine billion, six hundred eight million, eight thousand, eight".