87995232 has 144 divisors (see below), whose sum is σ = 283898160. Its totient is φ = 25629696.

The previous prime is 87995231. The next prime is 87995261. The reversal of 87995232 is 23259978.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87995231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70518 + ... + 71754.

It is an arithmetic number, because the mean of its divisors is an integer number (1971515).

Almost surely, 2^87995232 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 87995232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141949080).

87995232 is an abundant number, since it is smaller than the sum of its proper divisors (195902928).

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

87995232 is a wasteful number, since it uses less digits than its factorization.

87995232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1274 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 87995232 is about 9380.5773809505. The cubic root of 87995232 is about 444.7879846831.

The spelling of 87995232 in words is "eighty-seven million, nine hundred ninety-five thousand, two hundred thirty-two".