86655 has 16 divisors (see below), whose sum is σ = 142560. Its totient is φ = 44928.

The previous prime is 86629. The next prime is 86677. The reversal of 86655 is 55668.

It is not a de Polignac number, because 86655 - 2⁸ = 86399 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (8910).

2⁸⁶⁶⁵⁵ is an apocalyptic number.

86655 is a deficient number, since it is larger than the sum of its proper divisors (55905).

86655 is a wasteful number, since it uses less digits than its factorization.

86655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170.

The product of its digits is 7200, while the sum is 30.

The square root of 86655 is about 294.3722133626. The cubic root of 86655 is about 44.2518273049.

It can be divided in two parts, 86 and 655, that added together give a triangular number (741 = T₃₈).

The spelling of 86655 in words is "eighty-six thousand, six hundred fifty-five".