80322309 has 6 divisors (see below), whose sum is σ = 116021126. Its totient is φ = 53548200.

The previous prime is 80322289. The next prime is 80322311. The reversal of 80322309 is 90322308.

It can be written as a sum of positive squares in only one way, i.e., 57426084 + 22896225 = 7578^2 + 4785^2 .

It is not a de Polignac number, because 80322309 - 2¹² = 80318213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80322349) 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 5 ways as a sum of consecutive naturals, for example, 4462342 + ... + 4462359.

Almost surely, 2^80322309 is an apocalyptic number.

It is an amenable number.

80322309 is a deficient number, since it is larger than the sum of its proper divisors (35698817).

80322309 is a wasteful number, since it uses less digits than its factorization.

80322309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924707 (or 8924704 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 80322309 is about 8962.2714196793. The cubic root of 80322309 is about 431.4648240341.

Subtracting 80322309 from its reverse (90322308), we obtain a palindrome (9999999).

The spelling of 80322309 in words is "eighty million, three hundred twenty-two thousand, three hundred nine".