80009499 has 4 divisors (see below), whose sum is σ = 106679336. Its totient is φ = 53339664.

The previous prime is 80009483. The next prime is 80009539. The reversal of 80009499 is 99490008.

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

It is not a de Polignac number, because 80009499 - 2⁴ = 80009483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80009099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13334914 + ... + 13334919.

It is an arithmetic number, because the mean of its divisors is an integer number (26669834).

Almost surely, 2^80009499 is an apocalyptic number.

80009499 is a deficient number, since it is larger than the sum of its proper divisors (26669837).

80009499 is a wasteful number, since it uses less digits than its factorization.

80009499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26669836.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 80009499 is about 8944.8029044803. The cubic root of 80009499 is about 430.9039914774.

It can be divided in two parts, 80009 and 499, that added together give a palindrome (80508).

The spelling of 80009499 in words is "eighty million, nine thousand, four hundred ninety-nine".