842682847 has 2 divisors, whose sum is σ = 842682848. Its totient is φ = 842682846.

The previous prime is 842682839. The next prime is 842682857. The reversal of 842682847 is 748286248.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 842682847 - 2³ = 842682839 is a prime.

It is a super-3 number, since 3×842682847³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 842682847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842682857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421341423 + 421341424.

It is an arithmetic number, because the mean of its divisors is an integer number (421341424).

Almost surely, 2^842682847 is an apocalyptic number.

842682847 is a deficient number, since it is larger than the sum of its proper divisors (1).

842682847 is an equidigital number, since it uses as much as digits as its factorization.

842682847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1376256, while the sum is 49.

The square root of 842682847 is about 29029.0001033449. Note that the first 3 decimals coincide. The cubic root of 842682847 is about 944.5422405268.

The spelling of 842682847 in words is "eight hundred forty-two million, six hundred eighty-two thousand, eight hundred forty-seven".