9989301172 has 48 divisors (see below), whose sum is σ = 18157374144. Its totient is φ = 4805280000.

The previous prime is 9989301163. The next prime is 9989301187. The reversal of 9989301172 is 2711039899.

It is a super-2 number, since 2×9989301172² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 4686547 + ... + 4688677.

It is an arithmetic number, because the mean of its divisors is an integer number (378278628).

Almost surely, 2^9989301172 is an apocalyptic number.

It is an amenable number.

9989301172 is a deficient number, since it is larger than the sum of its proper divisors (8168072972).

9989301172 is a wasteful number, since it uses less digits than its factorization.

9989301172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 9989301172 is about 99946.4915442258. The cubic root of 9989301172 is about 2153.6660849880. Note that the first 3 decimals are identical.

The spelling of 9989301172 in words is "nine billion, nine hundred eighty-nine million, three hundred one thousand, one hundred seventy-two".