80499 has 4 divisors (see below), whose sum is σ = 107336. Its totient is φ = 53664.

The previous prime is 80491. The next prime is 80513. The reversal of 80499 is 99408.

80499 = 9⁴ + 10⁴ + ... + 13⁴.

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

It is not a de Polignac number, because 80499 - 2³ = 80491 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (80491) 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, 13414 + ... + 13419.

It is an arithmetic number, because the mean of its divisors is an integer number (26834).

2⁸⁰⁴⁹⁹ is an apocalyptic number.

80499 is a deficient number, since it is larger than the sum of its proper divisors (26837).

80499 is a wasteful number, since it uses less digits than its factorization.

80499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26836.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 80499 is about 283.7234569083. The cubic root of 80499 is about 43.1780967497.

It can be divided in two parts, 804 and 99, that added together give a triangular number (903 = T₄₂).

The spelling of 80499 in words is "eighty thousand, four hundred ninety-nine".