82056331664947 has 2 divisors, whose sum is σ = 82056331664948. Its totient is φ = 82056331664946.

The previous prime is 82056331664873. The next prime is 82056331665037. The reversal of 82056331664947 is 74946613365028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82056331664947 - 2⁴³ = 73260238642739 is a prime.

It is not a weakly prime, because it can be changed into another prime (82056331664647) by changing a digit.

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 as a sum of consecutive naturals, namely, 41028165832473 + 41028165832474.

It is an arithmetic number, because the mean of its divisors is an integer number (41028165832474).

It is a 1-persistent number, because it is pandigital, but 2⋅82056331664947 = 164112663329894 is not.

Almost surely, 2^{82056331664947} is an apocalyptic number.

82056331664947 is a deficient number, since it is larger than the sum of its proper divisors (1).

82056331664947 is an equidigital number, since it uses as much as digits as its factorization.

82056331664947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 64.

The spelling of 82056331664947 in words is "eighty-two trillion, fifty-six billion, three hundred thirty-one million, six hundred sixty-four thousand, nine hundred forty-seven".