9559903968 has 72 divisors (see below), whose sum is σ = 27202685328. Its totient is φ = 3184676352.

The previous prime is 9559903961. The next prime is 9559903987. The reversal of 9559903968 is 8693099559.

9559903968 is a `hidden beast` number, since 9 + 5 + 599 + 0 + 39 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9559903961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504196 + ... + 522812.

It is an arithmetic number, because the mean of its divisors is an integer number (377815074).

Almost surely, 2^9559903968 is an apocalyptic number.

It is an amenable number.

9559903968 is an abundant number, since it is smaller than the sum of its proper divisors (17642781360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9559903968 is a wasteful number, since it uses less digits than its factorization.

9559903968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20416 (or 20405 counting only the distinct ones).

The product of its (nonzero) digits is 23619600, while the sum is 63.

The square root of 9559903968 is about 97774.7614059988. The cubic root of 9559903968 is about 2122.3540931970.

The spelling of 9559903968 in words is "nine billion, five hundred fifty-nine million, nine hundred three thousand, nine hundred sixty-eight".