86155 has 4 divisors (see below), whose sum is σ = 103392. Its totient is φ = 68920.

The previous prime is 86143. The next prime is 86161. The reversal of 86155 is 55168.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86155 - 2⁷ = 86027 is a prime.

It is a Duffinian number.

86155 is a lucky number.

It is a plaindrome in base 14.

It is an unprimeable 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, 8611 + ... + 8620.

It is an arithmetic number, because the mean of its divisors is an integer number (25848).

2⁸⁶¹⁵⁵ is an apocalyptic number.

86155 is a deficient number, since it is larger than the sum of its proper divisors (17237).

86155 is a wasteful number, since it uses less digits than its factorization.

86155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17236.

The product of its digits is 1200, while the sum is 25.

The square root of 86155 is about 293.5217198096. The cubic root of 86155 is about 44.1665519557.

The spelling of 86155 in words is "eighty-six thousand, one hundred fifty-five".