82966189 has 2 divisors, whose sum is σ = 82966190. Its totient is φ = 82966188.

The previous prime is 82966157. The next prime is 82966201. The reversal of 82966189 is 98166928.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 23444964 = 7715^2 + 4842^2 .

It is a cyclic number.

It is not a de Polignac number, because 82966189 - 2⁵ = 82966157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82966489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41483094 + 41483095.

It is an arithmetic number, because the mean of its divisors is an integer number (41483095).

Almost surely, 2^82966189 is an apocalyptic number.

It is an amenable number.

82966189 is a deficient number, since it is larger than the sum of its proper divisors (1).

82966189 is an equidigital number, since it uses as much as digits as its factorization.

82966189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 82966189 is about 9108.5777704316. The cubic root of 82966189 is about 436.1478277870.

The spelling of 82966189 in words is "eighty-two million, nine hundred sixty-six thousand, one hundred eighty-nine".