9904536808 has 64 divisors (see below), whose sum is σ = 19767531600. Its totient is φ = 4643573760.

The previous prime is 9904536751. The next prime is 9904536823. The reversal of 9904536808 is 8086354099.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9892689444 + 11847364 = 99462^2 + 3442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8385978 + ... + 8387158.

Almost surely, 2^9904536808 is an apocalyptic number.

It is an amenable number.

9904536808 is a deficient number, since it is larger than the sum of its proper divisors (9862994792).

9904536808 is a wasteful number, since it uses less digits than its factorization.

9904536808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2226 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 9904536808 is about 99521.5394173543. The cubic root of 9904536808 is about 2147.5571177995.

The spelling of 9904536808 in words is "nine billion, nine hundred four million, five hundred thirty-six thousand, eight hundred eight".