80842 has 8 divisors (see below), whose sum is σ = 122976. Its totient is φ = 39852.

The previous prime is 80833. The next prime is 80849. The reversal of 80842 is 24808.

80842 is nontrivially palindromic in base 3.

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

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (80849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (15372).

2⁸⁰⁸⁴² is an apocalyptic number.

80842 is a deficient number, since it is larger than the sum of its proper divisors (42134).

80842 is a wasteful number, since it uses less digits than its factorization.

80842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 80842 is about 284.3272762153. The cubic root of 80842 is about 43.2393360279.

The spelling of 80842 in words is "eighty thousand, eight hundred forty-two".