82855 has 8 divisors (see below), whose sum is σ = 101232. Its totient is φ = 65088.

The previous prime is 82847. The next prime is 82883. The reversal of 82855 is 55828.

82855 = 115² + 116² + ... + 120².

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

It is a cyclic number.

It is not a de Polignac number, because 82855 - 2³ = 82847 is a prime.

It is a Duffinian number.

82855 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 478.

It is an arithmetic number, because the mean of its divisors is an integer number (12654).

2⁸²⁸⁵⁵ is an apocalyptic number.

82855 is a deficient number, since it is larger than the sum of its proper divisors (18377).

82855 is a wasteful number, since it uses less digits than its factorization.

82855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 3200, while the sum is 28.

The square root of 82855 is about 287.8454446400. The cubic root of 82855 is about 43.5952902917.

The spelling of 82855 in words is "eighty-two thousand, eight hundred fifty-five".