87168255 has 24 divisors (see below), whose sum is σ = 142995216. Its totient is φ = 45342720.

The previous prime is 87168253. The next prime is 87168259. The reversal of 87168255 is 55286178.

It is not a de Polignac number, because 87168255 - 2¹ = 87168253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87168251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23487 + ... + 26943.

It is an arithmetic number, because the mean of its divisors is an integer number (5958134).

Almost surely, 2^87168255 is an apocalyptic number.

87168255 is a deficient number, since it is larger than the sum of its proper divisors (55826961).

87168255 is a wasteful number, since it uses less digits than its factorization.

87168255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3506 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 87168255 is about 9336.3941112187. The cubic root of 87168255 is about 443.3902279982.

The spelling of 87168255 in words is "eighty-seven million, one hundred sixty-eight thousand, two hundred fifty-five".