9913485888 has 224 divisors, whose sum is σ = 29650944000. Its totient is φ = 3247630848.

The previous prime is 9913485871. The next prime is 9913485919. The reversal of 9913485888 is 8885843199.

It is a happy number.

9913485888 is a `hidden beast` number, since 9 + 9 + 1 + 3 + 48 + 588 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43671631 + ... + 43671857.

Almost surely, 2^9913485888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9913485888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14825472000).

9913485888 is an abundant number, since it is smaller than the sum of its proper divisors (19737458112).

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

9913485888 is a wasteful number, since it uses less digits than its factorization.

9913485888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 558 counting only the distinct ones).

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

The square root of 9913485888 is about 99566.4897844651. The cubic root of 9913485888 is about 2148.2037196378.

The spelling of 9913485888 in words is "nine billion, nine hundred thirteen million, four hundred eighty-five thousand, eight hundred eighty-eight".