9988317696 has 160 divisors (see below), whose sum is σ = 30683714688. Its totient is φ = 2828206080.

The previous prime is 9988317671. The next prime is 9988317791. The reversal of 9988317696 is 6967138899.

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, 1210866 + ... + 1219086.

Almost surely, 2^9988317696 is an apocalyptic number.

9988317696 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9988317696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15341857344).

9988317696 is an abundant number, since it is smaller than the sum of its proper divisors (20695396992).

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

9988317696 is a wasteful number, since it uses less digits than its factorization.

9988317696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362 (or 8346 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 66.

The square root of 9988317696 is about 99941.5714104996. The cubic root of 9988317696 is about 2153.5954044208.

The spelling of 9988317696 in words is "nine billion, nine hundred eighty-eight million, three hundred seventeen thousand, six hundred ninety-six".