87104 has 14 divisors (see below), whose sum is σ = 172974. Its totient is φ = 43520.

The previous prime is 87103. The next prime is 87107. The reversal of 87104 is 40178.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61504 + 25600 = 248^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (87103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617 + ... + 744.

2⁸⁷¹⁰⁴ is an apocalyptic number.

It is an amenable number.

87104 is a deficient number, since it is larger than the sum of its proper divisors (85870).

87104 is a wasteful number, since it uses less digits than its factorization.

87104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 87104 is about 295.1338679311. The cubic root of 87104 is about 44.3281254679.

It can be divided in two parts, 87 and 104, that added together give a palindrome (191).

The spelling of 87104 in words is "eighty-seven thousand, one hundred four".