87228832 has 24 divisors (see below), whose sum is σ = 176375556. Its totient is φ = 42435072.

The previous prime is 87228803. The next prime is 87228893. The reversal of 87228832 is 23882278.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69956496 + 17272336 = 8364^2 + 4156^2 .

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35653 + ... + 38020.

Almost surely, 2^87228832 is an apocalyptic number.

It is an amenable number.

87228832 is an abundant number, since it is smaller than the sum of its proper divisors (89146724).

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

87228832 is a wasteful number, since it uses less digits than its factorization.

87228832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73720 (or 73712 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 87228832 is about 9339.6376803386. The cubic root of 87228832 is about 443.4929145797.

The spelling of 87228832 in words is "eighty-seven million, two hundred twenty-eight thousand, eight hundred thirty-two".