9988314917 has 32 divisors (see below), whose sum is σ = 12116557824. Its totient is φ = 8052566400.

The previous prime is 9988314913. The next prime is 9988314961. The reversal of 9988314917 is 7194138899.

9988314917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9988314917 - 2² = 9988314913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988314913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2515868 + ... + 2519834.

It is an arithmetic number, because the mean of its divisors is an integer number (378642432).

Almost surely, 2^9988314917 is an apocalyptic number.

It is an amenable number.

9988314917 is a deficient number, since it is larger than the sum of its proper divisors (2128242907).

9988314917 is a wasteful number, since it uses less digits than its factorization.

9988314917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its digits is 3919104, while the sum is 59.

The square root of 9988314917 is about 99941.5575073753. The cubic root of 9988314917 is about 2153.5952046927.

The spelling of 9988314917 in words is "nine billion, nine hundred eighty-eight million, three hundred fourteen thousand, nine hundred seventeen".