88992120132 has 144 divisors (see below), whose sum is σ = 245985051312. Its totient is φ = 27013201920.

The previous prime is 88992120109. The next prime is 88992120179. The reversal of 88992120132 is 23102129988.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 726086916 + 88266033216 = 26946^2 + 297096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4087708 + ... + 4109420.

It is an arithmetic number, because the mean of its divisors is an integer number (1708229523).

Almost surely, 2^88992120132 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 88992120132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122992525656).

88992120132 is an abundant number, since it is smaller than the sum of its proper divisors (156992931180).

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

88992120132 is a wasteful number, since it uses less digits than its factorization.

88992120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21958 (or 21953 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 88992120132 in words is "eighty-eight billion, nine hundred ninety-two million, one hundred twenty thousand, one hundred thirty-two".