80299 has 4 divisors (see below), whose sum is σ = 81720. Its totient is φ = 78880.

The previous prime is 80287. The next prime is 80309. The reversal of 80299 is 99208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80299 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (80209) 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, 622 + ... + 739.

It is an arithmetic number, because the mean of its divisors is an integer number (20430).

2⁸⁰²⁹⁹ is an apocalyptic number.

80299 is a deficient number, since it is larger than the sum of its proper divisors (1421).

80299 is a wasteful number, since it uses less digits than its factorization.

80299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 80299 is about 283.3707818389. The cubic root of 80299 is about 43.1423083922.

Subtracting from 80299 its product of nonzero digits (1296), we obtain a triangular number (79003 = T₃₉₇).

The spelling of 80299 in words is "eighty thousand, two hundred ninety-nine".