80829 has 12 divisors (see below), whose sum is σ = 133536. Its totient is φ = 46152.

The previous prime is 80819. The next prime is 80831. The reversal of 80829 is 92808.

It is not a de Polignac number, because 80829 - 2⁷ = 80701 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (11128).

2⁸⁰⁸²⁹ is an apocalyptic number.

It is an amenable number.

80829 is a deficient number, since it is larger than the sum of its proper divisors (52707).

80829 is a wasteful number, since it uses less digits than its factorization.

80829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 80829 is about 284.3044143168. The cubic root of 80829 is about 43.2370181671.

It can be divided in two parts, 808 and 29, that multiplied together give a palindrome (23432).

The spelling of 80829 in words is "eighty thousand, eight hundred twenty-nine".