87163232 has 48 divisors (see below), whose sum is σ = 185939712. Its totient is φ = 39982080.

The previous prime is 87163211. The next prime is 87163273. The reversal of 87163232 is 23236178.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78908 + ... + 80004.

It is an arithmetic number, because the mean of its divisors is an integer number (3873744).

Almost surely, 2^87163232 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 87163232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92969856).

87163232 is an abundant number, since it is smaller than the sum of its proper divisors (98776480).

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

87163232 is a wasteful number, since it uses less digits than its factorization.

87163232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1303 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 87163232 is about 9336.1251062740. The cubic root of 87163232 is about 443.3817111672.

The spelling of 87163232 in words is "eighty-seven million, one hundred sixty-three thousand, two hundred thirty-two".