82869 has 8 divisors (see below), whose sum is σ = 115392. Its totient is φ = 52800.

The previous prime is 82847. The next prime is 82883. The reversal of 82869 is 96828.

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

It is not a de Polignac number, because 82869 - 2⁵ = 82837 is a prime.

It is a super-2 number, since 2×82869² = 13734542322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 669.

It is an arithmetic number, because the mean of its divisors is an integer number (14424).

2⁸²⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

82869 is a deficient number, since it is larger than the sum of its proper divisors (32523).

82869 is a wasteful number, since it uses less digits than its factorization.

82869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its digits is 6912, while the sum is 33.

The square root of 82869 is about 287.8697622190. The cubic root of 82869 is about 43.5977455839.

Subtracting from 82869 its product of digits (6912), we obtain a palindrome (75957).

The spelling of 82869 in words is "eighty-two thousand, eight hundred sixty-nine".