80322997 has 2 divisors, whose sum is σ = 80322998. Its totient is φ = 80322996.

The previous prime is 80322973. The next prime is 80323027. The reversal of 80322997 is 79922308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72063121 + 8259876 = 8489^2 + 2874^2 .

It is a cyclic number.

It is not a de Polignac number, because 80322997 - 2²³ = 71934389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80322947) 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 as a sum of consecutive naturals, namely, 40161498 + 40161499.

It is an arithmetic number, because the mean of its divisors is an integer number (40161499).

Almost surely, 2^80322997 is an apocalyptic number.

It is an amenable number.

80322997 is a deficient number, since it is larger than the sum of its proper divisors (1).

80322997 is an equidigital number, since it uses as much as digits as its factorization.

80322997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 80322997 is about 8962.3098027238. The cubic root of 80322997 is about 431.4660559333.

Subtracting from 80322997 its reverse (79922308), we obtain a square (400689 = 633²).

The spelling of 80322997 in words is "eighty million, three hundred twenty-two thousand, nine hundred ninety-seven".