82106847 has 12 divisors (see below), whose sum is σ = 124841080. Its totient is φ = 51856848.

The previous prime is 82106831. The next prime is 82106851. The reversal of 82106847 is 74860128.

It is not a de Polignac number, because 82106847 - 2⁴ = 82106831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82106747) 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 in 11 ways as a sum of consecutive naturals, for example, 239908 + ... + 240249.

Almost surely, 2^82106847 is an apocalyptic number.

82106847 is a deficient number, since it is larger than the sum of its proper divisors (42734233).

82106847 is a wasteful number, since it uses less digits than its factorization.

82106847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480182 (or 480179 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 82106847 is about 9061.2828561965. The cubic root of 82106847 is about 434.6367637565.

It can be divided in two parts, 82 and 106847, that added together give a square (106929 = 327²).

The spelling of 82106847 in words is "eighty-two million, one hundred six thousand, eight hundred forty-seven".