82828187089 has 2 divisors, whose sum is σ = 82828187090. Its totient is φ = 82828187088.

The previous prime is 82828187069. The next prime is 82828187129. The reversal of 82828187089 is 98078182828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77406368400 + 5421818689 = 278220^2 + 73633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82828187089 is a prime.

It is not a weakly prime, because it can be changed into another prime (82828187069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41414093544 + 41414093545.

It is an arithmetic number, because the mean of its divisors is an integer number (41414093545).

Almost surely, 2^82828187089 is an apocalyptic number.

It is an amenable number.

82828187089 is a deficient number, since it is larger than the sum of its proper divisors (1).

82828187089 is an equidigital number, since it uses as much as digits as its factorization.

82828187089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 61.

The spelling of 82828187089 in words is "eighty-two billion, eight hundred twenty-eight million, one hundred eighty-seven thousand, eighty-nine".