82104843463079 has 2 divisors, whose sum is σ = 82104843463080. Its totient is φ = 82104843463078.

The previous prime is 82104843463031. The next prime is 82104843463081. The reversal of 82104843463079 is 97036434840128.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82104843463079 is a prime.

Together with 82104843463081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82104843463579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41052421731539 + 41052421731540.

It is an arithmetic number, because the mean of its divisors is an integer number (41052421731540).

Almost surely, 2^{82104843463079} is an apocalyptic number.

82104843463079 is a deficient number, since it is larger than the sum of its proper divisors (1).

82104843463079 is an equidigital number, since it uses as much as digits as its factorization.

82104843463079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27869184, while the sum is 59.

The spelling of 82104843463079 in words is "eighty-two trillion, one hundred four billion, eight hundred forty-three million, four hundred sixty-three thousand, seventy-nine".