82104847 has 8 divisors (see below), whose sum is σ = 89672832. Its totient is φ = 74554200.

The previous prime is 82104823. The next prime is 82104851. The reversal of 82104847 is 74840128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82104847 - 2²³ = 73716239 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 (82104857) 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 7 ways as a sum of consecutive naturals, for example, 6838 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (11209104).

Almost surely, 2^82104847 is an apocalyptic number.

82104847 is a deficient number, since it is larger than the sum of its proper divisors (7567985).

82104847 is a wasteful number, since it uses less digits than its factorization.

82104847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 82104847 is about 9061.1724958749. The cubic root of 82104847 is about 434.6332346940.

The spelling of 82104847 in words is "eighty-two million, one hundred four thousand, eight hundred forty-seven".