88121880 has 432 divisors, whose sum is σ = 382178160. Its totient is φ = 17233920.

The previous prime is 88121857. The next prime is 88121909. The reversal of 88121880 is 8812188.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 5183632 + ... + 5183648.

Almost surely, 2^88121880 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 88121880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191089080).

88121880 is an abundant number, since it is smaller than the sum of its proper divisors (294056280).

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

88121880 is a wasteful number, since it uses less digits than its factorization.

88121880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 36.

The square root of 88121880 is about 9387.3254977123. The cubic root of 88121880 is about 445.0012708797.

The spelling of 88121880 in words is "eighty-eight million, one hundred twenty-one thousand, eight hundred eighty".