9980509112 has 16 divisors (see below), whose sum is σ = 21386805360. Its totient is φ = 4277361024.

The previous prime is 9980509087. The next prime is 9980509127. The reversal of 9980509112 is 2119050899.

It is a happy number.

It is a super-2 number, since 2×9980509112² (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 3 ways as a sum of consecutive naturals, for example, 89111633 + ... + 89111744.

It is an arithmetic number, because the mean of its divisors is an integer number (1336675335).

Almost surely, 2^9980509112 is an apocalyptic number.

It is an amenable number.

9980509112 is an abundant number, since it is smaller than the sum of its proper divisors (11406296248).

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

9980509112 is a wasteful number, since it uses less digits than its factorization.

9980509112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178223390 (or 178223386 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 44.

The square root of 9980509112 is about 99902.4980268261. The cubic root of 9980509112 is about 2153.0340514728.

The spelling of 9980509112 in words is "nine billion, nine hundred eighty million, five hundred nine thousand, one hundred twelve".