82199 has 4 divisors (see below), whose sum is σ = 88536. Its totient is φ = 75864.

The previous prime is 82193. The next prime is 82207. The reversal of 82199 is 99128.

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

It is a cyclic number.

It is not a de Polignac number, because 82199 - 2⁴ = 82183 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82193) by changing a digit.

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, 3149 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (22134).

2⁸²¹⁹⁹ is an apocalyptic number.

82199 is a deficient number, since it is larger than the sum of its proper divisors (6337).

82199 is a wasteful number, since it uses less digits than its factorization.

82199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336.

The product of its digits is 1296, while the sum is 29.

The square root of 82199 is about 286.7036797811. The cubic root of 82199 is about 43.4799308489.

Adding to 82199 its sum of digits (29), we get a palindrome (82228).

It can be divided in two parts, 8219 and 9, that added together give a palindrome (8228).

The spelling of 82199 in words is "eighty-two thousand, one hundred ninety-nine".