86988132 has 108 divisors (see below), whose sum is σ = 279102096. Its totient is φ = 22589280.

The previous prime is 86988131. The next prime is 86988149. The reversal of 86988132 is 23188968.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (86988131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17163 + ... + 21645.

Almost surely, 2^86988132 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 86988132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139551048).

86988132 is an abundant number, since it is smaller than the sum of its proper divisors (192113964).

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

86988132 is a wasteful number, since it uses less digits than its factorization.

86988132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518 (or 4506 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 86988132 is about 9326.7428398128. The cubic root of 86988132 is about 443.0846127193.

The spelling of 86988132 in words is "eighty-six million, nine hundred eighty-eight thousand, one hundred thirty-two".