80323290 has 24 divisors (see below), whose sum is σ = 208840788. Its totient is φ = 21419520.

The previous prime is 80323289. The next prime is 80323307. The reversal of 80323290 is 9232308.

It can be written as a sum of positive squares in 2 ways, for example, as 79441569 + 881721 = 8913^2 + 939^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 446151 + ... + 446330.

Almost surely, 2^80323290 is an apocalyptic number.

80323290 is an abundant number, since it is smaller than the sum of its proper divisors (128517498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80323290 is a wasteful number, since it uses less digits than its factorization.

80323290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892494 (or 892491 counting only the distinct ones).

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

The square root of 80323290 is about 8962.3261489415. The cubic root of 80323290 is about 431.4665805626.

Adding to 80323290 its reverse (9232308), we get a palindrome (89555598).

The spelling of 80323290 in words is "eighty million, three hundred twenty-three thousand, two hundred ninety".