80959 has 4 divisors (see below), whose sum is σ = 85240. Its totient is φ = 76680.

The previous prime is 80953. The next prime is 80963. The reversal of 80959 is 95908.

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 80959 - 2⁷ = 80831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2112 + ... + 2149.

It is an arithmetic number, because the mean of its divisors is an integer number (21310).

2⁸⁰⁹⁵⁹ is an apocalyptic number.

80959 is a deficient number, since it is larger than the sum of its proper divisors (4281).

80959 is a wasteful number, since it uses less digits than its factorization.

80959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 80959 is about 284.5329506402. The cubic root of 80959 is about 43.2601856015.

It can be divided in two parts, 809 and 59, that added together give a palindrome (868).

The spelling of 80959 in words is "eighty thousand, nine hundred fifty-nine".