82744841 has 2 divisors, whose sum is σ = 82744842. Its totient is φ = 82744840.

The previous prime is 82744817. The next prime is 82744873. The reversal of 82744841 is 14844728.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 15832441 = 8180^2 + 3979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82744841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82744795 and 82744804.

It is not a weakly prime, because it can be changed into another prime (82744141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41372420 + 41372421.

It is an arithmetic number, because the mean of its divisors is an integer number (41372421).

Almost surely, 2^82744841 is an apocalyptic number.

It is an amenable number.

82744841 is a deficient number, since it is larger than the sum of its proper divisors (1).

82744841 is an equidigital number, since it uses as much as digits as its factorization.

82744841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 38.

The square root of 82744841 is about 9096.4191306250. The cubic root of 82744841 is about 435.7596116858.

The spelling of 82744841 in words is "eighty-two million, seven hundred forty-four thousand, eight hundred forty-one".