80826 has 16 divisors (see below), whose sum is σ = 170400. Its totient is φ = 25488.

The previous prime is 80819. The next prime is 80831. The reversal of 80826 is 62808.

It is a junction number, because it is equal to n+sod(n) for n = 80796 and 80805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (10650).

2⁸⁰⁸²⁶ is an apocalyptic number.

80826 is an abundant number, since it is smaller than the sum of its proper divisors (89574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85200).

80826 is a wasteful number, since it uses less digits than its factorization.

80826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80826 is about 284.2991382330. The cubic root of 80826 is about 43.2364832409.

The spelling of 80826 in words is "eighty thousand, eight hundred twenty-six".