82106863 has 2 divisors, whose sum is σ = 82106864. Its totient is φ = 82106862.

The previous prime is 82106851. The next prime is 82106873. The reversal of 82106863 is 36860128.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82106863 - 2⁵ = 82106831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82106873) 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, 41053431 + 41053432.

It is an arithmetic number, because the mean of its divisors is an integer number (41053432).

Almost surely, 2^82106863 is an apocalyptic number.

82106863 is a deficient number, since it is larger than the sum of its proper divisors (1).

82106863 is an equidigital number, since it uses as much as digits as its factorization.

82106863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82106863 is about 9061.2837390736. The cubic root of 82106863 is about 434.6367919888.

The spelling of 82106863 in words is "eighty-two million, one hundred six thousand, eight hundred sixty-three".