86158 has 8 divisors (see below), whose sum is σ = 134928. Its totient is φ = 41184.

The previous prime is 86143. The next prime is 86161. The reversal of 86158 is 85168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

86158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (16866).

2⁸⁶¹⁵⁸ is an apocalyptic number.

86158 is a deficient number, since it is larger than the sum of its proper divisors (48770).

86158 is a wasteful number, since it uses less digits than its factorization.

86158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898.

The product of its digits is 1920, while the sum is 28.

The square root of 86158 is about 293.5268301195. The cubic root of 86158 is about 44.1670645904.

Subtracting from 86158 its reverse (85168), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 861 and 58, that added together give a palindrome (919).

The spelling of 86158 in words is "eighty-six thousand, one hundred fifty-eight".