82547929 has 2 divisors, whose sum is σ = 82547930. Its totient is φ = 82547928.

The previous prime is 82547909. The next prime is 82547963. The reversal of 82547929 is 92974528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 3337929 = 8900^2 + 1827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82547929 is a prime.

It is not a weakly prime, because it can be changed into another prime (82547909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41273964 + 41273965.

It is an arithmetic number, because the mean of its divisors is an integer number (41273965).

Almost surely, 2^82547929 is an apocalyptic number.

It is an amenable number.

82547929 is a deficient number, since it is larger than the sum of its proper divisors (1).

82547929 is an equidigital number, since it uses as much as digits as its factorization.

82547929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 82547929 is about 9085.5890838184. The cubic root of 82547929 is about 435.4136708732.

The spelling of 82547929 in words is "eighty-two million, five hundred forty-seven thousand, nine hundred twenty-nine".