82704286628105 has 8 divisors (see below), whose sum is σ = 99245346441864. Its totient is φ = 66163294310400.

The previous prime is 82704286628077. The next prime is 82704286628147. The reversal of 82704286628105 is 50182668240728.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15943817406841 + 66760469221264 = 3992971^2 + 8170708^2 .

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

It is not a de Polignac number, because 82704286628105 - 2⁸ = 82704286627849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14137976 + ... + 19112585.

It is an arithmetic number, because the mean of its divisors is an integer number (12405668305233).

Almost surely, 2^{82704286628105} is an apocalyptic number.

It is an amenable number.

82704286628105 is a deficient number, since it is larger than the sum of its proper divisors (16541059813759).

82704286628105 is a wasteful number, since it uses less digits than its factorization.

82704286628105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33748027.

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 82704286628105 in words is "eighty-two trillion, seven hundred four billion, two hundred eighty-six million, six hundred twenty-eight thousand, one hundred five".