82798 has 4 divisors (see below), whose sum is σ = 124200. Its totient is φ = 41398.

The previous prime is 82793. The next prime is 82799. The reversal of 82798 is 89728.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20698 + ... + 20701.

It is an arithmetic number, because the mean of its divisors is an integer number (31050).

2⁸²⁷⁹⁸ is an apocalyptic number.

82798 is a deficient number, since it is larger than the sum of its proper divisors (41402).

82798 is a wasteful number, since it uses less digits than its factorization.

82798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41401.

The product of its digits is 8064, while the sum is 34.

The square root of 82798 is about 287.7464161375. The cubic root of 82798 is about 43.5852908887.

The spelling of 82798 in words is "eighty-two thousand, seven hundred ninety-eight".