87533824 has 36 divisors (see below), whose sum is σ = 199690624. Its totient is φ = 37513728.

The previous prime is 87533819. The next prime is 87533827. The reversal of 87533824 is 42833578.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87533827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22632 + ... + 26215.

Almost surely, 2^87533824 is an apocalyptic number.

It is an amenable number.

87533824 is an abundant number, since it is smaller than the sum of its proper divisors (112156800).

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

87533824 is an equidigital number, since it uses as much as digits as its factorization.

87533824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48870 (or 48856 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 87533824 is about 9355.9512610958. The cubic root of 87533824 is about 444.0091981970.

The spelling of 87533824 in words is "eighty-seven million, five hundred thirty-three thousand, eight hundred twenty-four".