80338209 has 16 divisors (see below), whose sum is σ = 129621888. Its totient is φ = 43206912.

The previous prime is 80338201. The next prime is 80338283. The reversal of 80338209 is 90283308.

It is not a de Polignac number, because 80338209 - 2³ = 80338201 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80338209.

It is not an unprimeable number, because it can be changed into a prime (80338201) 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 15 ways as a sum of consecutive naturals, for example, 112162 + ... + 112875.

It is an arithmetic number, because the mean of its divisors is an integer number (8101368).

Almost surely, 2^80338209 is an apocalyptic number.

It is an amenable number.

80338209 is a deficient number, since it is larger than the sum of its proper divisors (49283679).

80338209 is a wasteful number, since it uses less digits than its factorization.

80338209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225064.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 80338209 is about 8963.1584276972. The cubic root of 80338209 is about 431.4932919993.

The spelling of 80338209 in words is "eighty million, three hundred thirty-eight thousand, two hundred nine".