108979887132 has 96 divisors (see below), whose sum is σ = 300065955840. Its totient is φ = 34086286080.

The previous prime is 108979887119. The next prime is 108979887139. The reversal of 108979887132 is 231788979801.

It is a self number, because there is not a number n which added to its sum of digits gives 108979887132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108979887139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518053 + ... + 697379.

It is an arithmetic number, because the mean of its divisors is an integer number (3125687040).

Almost surely, 2^108979887132 is an apocalyptic number.

108979887132 is a gapful number since it is divisible by the number (12) 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 108979887132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150032977920).

108979887132 is an abundant number, since it is smaller than the sum of its proper divisors (191086068708).

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

108979887132 is a wasteful number, since it uses less digits than its factorization.

108979887132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179688 (or 179680 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 108979887132 in words is "one hundred eight billion, nine hundred seventy-nine million, eight hundred eighty-seven thousand, one hundred thirty-two".