82308647 has 2 divisors, whose sum is σ = 82308648. Its totient is φ = 82308646.

The previous prime is 82308617. The next prime is 82308659. The reversal of 82308647 is 74680328.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82308647 - 2¹⁶ = 82243111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82308647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82308617) 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, 41154323 + 41154324.

It is an arithmetic number, because the mean of its divisors is an integer number (41154324).

Almost surely, 2^82308647 is an apocalyptic number.

82308647 is a deficient number, since it is larger than the sum of its proper divisors (1).

82308647 is an equidigital number, since it uses as much as digits as its factorization.

82308647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 82308647 is about 9072.4113112226. The cubic root of 82308647 is about 434.9925519489.

The spelling of 82308647 in words is "eighty-two million, three hundred eight thousand, six hundred forty-seven".