108899017864 has 512 divisors, whose sum is σ = 286433280000. Its totient is φ = 38407219200.

The previous prime is 108899017849. The next prime is 108899017933. The reversal of 108899017864 is 468710998801.

It is a super-2 number, since 2×108899017864² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1491767332 + ... + 1491767404.

It is an arithmetic number, because the mean of its divisors is an integer number (559440000).

Almost surely, 2^108899017864 is an apocalyptic number.

108899017864 is a gapful number since it is divisible by the number (14) 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 108899017864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143216640000).

108899017864 is an abundant number, since it is smaller than the sum of its proper divisors (177534262136).

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

108899017864 is a wasteful number, since it uses less digits than its factorization.

108899017864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 108899017864 in words is "one hundred eight billion, eight hundred ninety-nine million, seventeen thousand, eight hundred sixty-four".