82604202089 has 2 divisors, whose sum is σ = 82604202090. Its totient is φ = 82604202088.

The previous prime is 82604202059. The next prime is 82604202091. The reversal of 82604202089 is 98020240628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74902384489 + 7701817600 = 273683^2 + 87760^2 .

It is a cyclic number.

It is not a de Polignac number, because 82604202089 - 2⁸ = 82604201833 is a prime.

Together with 82604202091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82604202029) 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, 41302101044 + 41302101045.

It is an arithmetic number, because the mean of its divisors is an integer number (41302101045).

Almost surely, 2^82604202089 is an apocalyptic number.

It is an amenable number.

82604202089 is a deficient number, since it is larger than the sum of its proper divisors (1).

82604202089 is an equidigital number, since it uses as much as digits as its factorization.

82604202089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 82604202089 in words is "eighty-two billion, six hundred four million, two hundred two thousand, eighty-nine".