842682768871 has 2 divisors, whose sum is σ = 842682768872. Its totient is φ = 842682768870.

The previous prime is 842682768869. The next prime is 842682768883. The reversal of 842682768871 is 178867286248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842682768871 - 2¹ = 842682768869 is a prime.

It is a super-2 number, since 2×842682768871² (a number of 25 digits) contains 22 as substring.

Together with 842682768869, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 842682768797 and 842682768806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842682768071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421341384435 + 421341384436.

It is an arithmetic number, because the mean of its divisors is an integer number (421341384436).

Almost surely, 2^842682768871 is an apocalyptic number.

842682768871 is a deficient number, since it is larger than the sum of its proper divisors (1).

842682768871 is an equidigital number, since it uses as much as digits as its factorization.

842682768871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115605504, while the sum is 67.

The spelling of 842682768871 in words is "eight hundred forty-two billion, six hundred eighty-two million, seven hundred sixty-eight thousand, eight hundred seventy-one".