87318044 has 24 divisors (see below), whose sum is σ = 168325248. Its totient is φ = 39302640.

The previous prime is 87318029. The next prime is 87318059. The reversal of 87318044 is 44081378.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87318029) and next prime (87318059).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 87317995 and 87318013.

It is a congruent number.

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, 5102 + ... + 14165.

It is an arithmetic number, because the mean of its divisors is an integer number (7013552).

Almost surely, 2^87318044 is an apocalyptic number.

It is an amenable number.

87318044 is a deficient number, since it is larger than the sum of its proper divisors (81007204).

87318044 is a wasteful number, since it uses less digits than its factorization.

87318044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19385 (or 19383 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 87318044 is about 9344.4124480890. The cubic root of 87318044 is about 443.6440550093.

The spelling of 87318044 in words is "eighty-seven million, three hundred eighteen thousand, forty-four".