9659288880 has 120 divisors (see below), whose sum is σ = 33640628112. Its totient is φ = 2575805184.

The previous prime is 9659288879. The next prime is 9659288887. The reversal of 9659288880 is 888829569.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (9659288887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228999 + ... + 267878.

Almost surely, 2^9659288880 is an apocalyptic number.

9659288880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9659288880 is an abundant number, since it is smaller than the sum of its proper divisors (23981339232).

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

9659288880 is a wasteful number, since it uses less digits than its factorization.

9659288880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496905 (or 496887 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The square root of 9659288880 is about 98281.6813043000. The cubic root of 9659288880 is about 2129.6834284527.

The spelling of 9659288880 in words is "nine billion, six hundred fifty-nine million, two hundred eighty-eight thousand, eight hundred eighty".