80322191 has 2 divisors, whose sum is σ = 80322192. Its totient is φ = 80322190.

The previous prime is 80322173. The next prime is 80322197. The reversal of 80322191 is 19122308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80322191 - 2²⁶ = 13213327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80322191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80322197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40161095 + 40161096.

It is an arithmetic number, because the mean of its divisors is an integer number (40161096).

Almost surely, 2^80322191 is an apocalyptic number.

80322191 is a deficient number, since it is larger than the sum of its proper divisors (1).

80322191 is an equidigital number, since it uses as much as digits as its factorization.

80322191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 80322191 is about 8962.2648365243. The cubic root of 80322191 is about 431.4646127484.

Adding to 80322191 its reverse (19122308), we get a palindrome (99444499).

The spelling of 80322191 in words is "eighty million, three hundred twenty-two thousand, one hundred ninety-one".