82660248829 has 2 divisors, whose sum is σ = 82660248830. Its totient is φ = 82660248828.

The previous prime is 82660248821. The next prime is 82660248893. The reversal of 82660248829 is 92884206628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70625720025 + 12034528804 = 265755^2 + 109702^2 .

It is a cyclic number.

It is not a de Polignac number, because 82660248829 - 2³ = 82660248821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82660248829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82660248821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41330124414 + 41330124415.

It is an arithmetic number, because the mean of its divisors is an integer number (41330124415).

Almost surely, 2^82660248829 is an apocalyptic number.

It is an amenable number.

82660248829 is a deficient number, since it is larger than the sum of its proper divisors (1).

82660248829 is an equidigital number, since it uses as much as digits as its factorization.

82660248829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 82660248829 in words is "eighty-two billion, six hundred sixty million, two hundred forty-eight thousand, eight hundred twenty-nine".