82484789 has 2 divisors, whose sum is σ = 82484790. Its totient is φ = 82484788.

The previous prime is 82484771. The next prime is 82484813. The reversal of 82484789 is 98748428.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67930564 + 14554225 = 8242^2 + 3815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82484789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82480789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41242394 + 41242395.

It is an arithmetic number, because the mean of its divisors is an integer number (41242395).

Almost surely, 2^82484789 is an apocalyptic number.

It is an amenable number.

82484789 is a deficient number, since it is larger than the sum of its proper divisors (1).

82484789 is an equidigital number, since it uses as much as digits as its factorization.

82484789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 50.

The square root of 82484789 is about 9082.1136857011. The cubic root of 82484789 is about 435.3026281858.

The spelling of 82484789 in words is "eighty-two million, four hundred eighty-four thousand, seven hundred eighty-nine".