82075663 has 2 divisors, whose sum is σ = 82075664. Its totient is φ = 82075662.

The previous prime is 82075639. The next prime is 82075673. The reversal of 82075663 is 36657028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82075663 - 2⁹ = 82075151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82075673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41037831 + 41037832.

It is an arithmetic number, because the mean of its divisors is an integer number (41037832).

Almost surely, 2^82075663 is an apocalyptic number.

82075663 is a deficient number, since it is larger than the sum of its proper divisors (1).

82075663 is an equidigital number, since it uses as much as digits as its factorization.

82075663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 82075663 is about 9059.5619651283. The cubic root of 82075663 is about 434.5817320932.

The spelling of 82075663 in words is "eighty-two million, seventy-five thousand, six hundred sixty-three".