82104717 has 4 divisors (see below), whose sum is σ = 109472960. Its totient is φ = 54736476.

The previous prime is 82104707. The next prime is 82104721. The reversal of 82104717 is 71740128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82104717 - 2⁶ = 82104653 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 (82104707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13684117 + ... + 13684122.

It is an arithmetic number, because the mean of its divisors is an integer number (27368240).

Almost surely, 2^82104717 is an apocalyptic number.

It is an amenable number.

82104717 is a deficient number, since it is larger than the sum of its proper divisors (27368243).

82104717 is a wasteful number, since it uses less digits than its factorization.

82104717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27368242.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 82104717 is about 9061.1653224075. The cubic root of 82104717 is about 434.6330053030.

The spelling of 82104717 in words is "eighty-two million, one hundred four thousand, seven hundred seventeen".