87899328 has 84 divisors (see below), whose sum is σ = 274871688. Its totient is φ = 26634240.

The previous prime is 87899257. The next prime is 87899347. The reversal of 87899328 is 82399878.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601 + ... + 13272.

It is an arithmetic number, because the mean of its divisors is an integer number (3272282).

Almost surely, 2^87899328 is an apocalyptic number.

87899328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87899328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137435844).

87899328 is an abundant number, since it is smaller than the sum of its proper divisors (186972360).

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

87899328 is a wasteful number, since it uses less digits than its factorization.

87899328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13902 (or 13889 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 87899328 is about 9375.4641485102. The cubic root of 87899328 is about 444.6263378444.

The spelling of 87899328 in words is "eighty-seven million, eight hundred ninety-nine thousand, three hundred twenty-eight".