82316646704571 has 4 divisors (see below), whose sum is σ = 109755528939432. Its totient is φ = 54877764469712.

The previous prime is 82316646704563. The next prime is 82316646704597. The reversal of 82316646704571 is 17540764661328.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82316646704571 - 2³ = 82316646704563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82316646704771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13719441117426 + ... + 13719441117431.

It is an arithmetic number, because the mean of its divisors is an integer number (27438882234858).

Almost surely, 2^{82316646704571} is an apocalyptic number.

82316646704571 is a deficient number, since it is larger than the sum of its proper divisors (27438882234861).

82316646704571 is a wasteful number, since it uses less digits than its factorization.

82316646704571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27438882234860.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 82316646704571 in words is "eighty-two trillion, three hundred sixteen billion, six hundred forty-six million, seven hundred four thousand, five hundred seventy-one".