80913 has 8 divisors (see below), whose sum is σ = 123328. Its totient is φ = 46224.

The previous prime is 80911. The next prime is 80917. The reversal of 80913 is 31908.

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

It is not a de Polignac number, because 80913 - 2¹ = 80911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 3853 = 80913 / (8 + 0 + 9 + 1 + 3).

It is a Duffinian number.

80913 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 80913.

It is not an unprimeable number, because it can be changed into a prime (80911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 1947.

It is an arithmetic number, because the mean of its divisors is an integer number (15416).

2⁸⁰⁹¹³ is an apocalyptic number.

It is an amenable number.

80913 is a deficient number, since it is larger than the sum of its proper divisors (42415).

80913 is a wasteful number, since it uses less digits than its factorization.

80913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 80913 is about 284.4521049316. The cubic root of 80913 is about 43.2519907311.

The spelling of 80913 in words is "eighty thousand, nine hundred thirteen".