82966489 has 2 divisors, whose sum is σ = 82966490. Its totient is φ = 82966488.

The previous prime is 82966487. The next prime is 82966501. The reversal of 82966489 is 98466928.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 27910089 = 7420^2 + 5283^2 .

It is a cyclic number.

It is not a de Polignac number, because 82966489 - 2¹ = 82966487 is a prime.

Together with 82966487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82966487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41483244 + 41483245.

It is an arithmetic number, because the mean of its divisors is an integer number (41483245).

Almost surely, 2^82966489 is an apocalyptic number.

It is an amenable number.

82966489 is a deficient number, since it is larger than the sum of its proper divisors (1).

82966489 is an equidigital number, since it uses as much as digits as its factorization.

82966489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 82966489 is about 9108.5942384102. The cubic root of 82966489 is about 436.1483534798.

The spelling of 82966489 in words is "eighty-two million, nine hundred sixty-six thousand, four hundred eighty-nine".