87315174 has 12 divisors (see below), whose sum is σ = 189182916. Its totient is φ = 29105052.

The previous prime is 87315149. The next prime is 87315187. The reversal of 87315174 is 47151378.

It is a super-2 number, since 2×87315174² = 15247879221300552, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 2425404 + ... + 2425439.

It is an arithmetic number, because the mean of its divisors is an integer number (15765243).

Almost surely, 2^87315174 is an apocalyptic number.

87315174 is an abundant number, since it is smaller than the sum of its proper divisors (101867742).

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

87315174 is a wasteful number, since it uses less digits than its factorization.

87315174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850851 (or 4850848 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 87315174 is about 9344.2588791193. The cubic root of 87315174 is about 443.6391943400.

The spelling of 87315174 in words is "eighty-seven million, three hundred fifteen thousand, one hundred seventy-four".