87322994 has 16 divisors (see below), whose sum is σ = 143081856. Its totient is φ = 39639600.

The previous prime is 87322987. The next prime is 87323011. The reversal of 87322994 is 49922378.

It is a super-2 number, since 2×87322994² = 15250610562248072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 17864 + ... + 22220.

It is an arithmetic number, because the mean of its divisors is an integer number (8942616).

Almost surely, 2^87322994 is an apocalyptic number.

87322994 is a deficient number, since it is larger than the sum of its proper divisors (55758862).

87322994 is a wasteful number, since it uses less digits than its factorization.

87322994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281.

The product of its digits is 217728, while the sum is 44.

The square root of 87322994 is about 9344.6773085003. The cubic root of 87322994 is about 443.6524381432.

The spelling of 87322994 in words is "eighty-seven million, three hundred twenty-two thousand, nine hundred ninety-four".