87255 has 24 divisors (see below), whose sum is σ = 173472. Its totient is φ = 39744.

The previous prime is 87253. The next prime is 87257. The reversal of 87255 is 55278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87253) and next prime (87257).

It is not a de Polignac number, because 87255 - 2¹ = 87253 is a prime.

It is a super-2 number, since 2×87255² = 15226870050, which contains 22 as substring.

87255 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87255.

It is not an unprimeable number, because it can be changed into a prime (87251) 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, 177 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (7228).

2⁸⁷²⁵⁵ is an apocalyptic number.

87255 is a deficient number, since it is larger than the sum of its proper divisors (86217).

87255 is a wasteful number, since it uses less digits than its factorization.

87255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 292 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 87255 is about 295.3895732757. The cubic root of 87255 is about 44.3537258336.

The spelling of 87255 in words is "eighty-seven thousand, two hundred fifty-five".