844080800071 has 2 divisors, whose sum is σ = 844080800072. Its totient is φ = 844080800070.

The previous prime is 844080800041. The next prime is 844080800081. The reversal of 844080800071 is 170008080448.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-844080800071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844080799997 and 844080800033.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (844080800011) 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, 422040400035 + 422040400036.

It is an arithmetic number, because the mean of its divisors is an integer number (422040400036).

Almost surely, 2^844080800071 is an apocalyptic number.

844080800071 is a deficient number, since it is larger than the sum of its proper divisors (1).

844080800071 is an equidigital number, since it uses as much as digits as its factorization.

844080800071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 40.

The spelling of 844080800071 in words is "eight hundred forty-four billion, eighty million, eight hundred thousand, seventy-one".