844316879111 has 2 divisors, whose sum is σ = 844316879112. Its totient is φ = 844316879110.

The previous prime is 844316879071. The next prime is 844316879113. The reversal of 844316879111 is 111978613448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844316879111 is a prime.

Together with 844316879113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844316879113) 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, 422158439555 + 422158439556.

It is an arithmetic number, because the mean of its divisors is an integer number (422158439556).

Almost surely, 2^844316879111 is an apocalyptic number.

844316879111 is a deficient number, since it is larger than the sum of its proper divisors (1).

844316879111 is an equidigital number, since it uses as much as digits as its factorization.

844316879111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The spelling of 844316879111 in words is "eight hundred forty-four billion, three hundred sixteen million, eight hundred seventy-nine thousand, one hundred eleven".