87319296 has 90 divisors (see below), whose sum is σ = 260432172. Its totient is φ = 29099520.

The previous prime is 87319289. The next prime is 87319321. The reversal of 87319296 is 69291378.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18631 + ... + 22841.

Almost surely, 2^87319296 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 87319296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130216086).

87319296 is an abundant number, since it is smaller than the sum of its proper divisors (173112876).

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

87319296 is an equidigital number, since it uses as much as digits as its factorization.

87319296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4216 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 87319296 is about 9344.4794397548. The cubic root of 87319296 is about 443.6461753793.

The spelling of 87319296 in words is "eighty-seven million, three hundred nineteen thousand, two hundred ninety-six".