108997438088 has 96 divisors (see below), whose sum is σ = 261392624640. Its totient is φ = 42131940480.

The previous prime is 108997438087. The next prime is 108997438093. The reversal of 108997438088 is 880834799801.

It is not an unprimeable number, because it can be changed into a prime (108997438087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448106 + ... + 647142.

It is an arithmetic number, because the mean of its divisors is an integer number (2722839840).

Almost surely, 2^108997438088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108997438088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130696312320).

108997438088 is an abundant number, since it is smaller than the sum of its proper divisors (152395186552).

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

108997438088 is a wasteful number, since it uses less digits than its factorization.

108997438088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199195 (or 199184 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 65.

The spelling of 108997438088 in words is "one hundred eight billion, nine hundred ninety-seven million, four hundred thirty-eight thousand, eighty-eight".