82008247 has 2 divisors, whose sum is σ = 82008248. Its totient is φ = 82008246.

The previous prime is 82008239. The next prime is 82008257. The reversal of 82008247 is 74280028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82008247 - 2³ = 82008239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82008257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41004123 + 41004124.

It is an arithmetic number, because the mean of its divisors is an integer number (41004124).

Almost surely, 2^82008247 is an apocalyptic number.

82008247 is a deficient number, since it is larger than the sum of its proper divisors (1).

82008247 is an equidigital number, since it uses as much as digits as its factorization.

82008247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 82008247 is about 9055.8404910864. The cubic root of 82008247 is about 434.4627126979.

The spelling of 82008247 in words is "eighty-two million, eight thousand, two hundred forty-seven".