844127709161 has 16 divisors (see below), whose sum is σ = 923198758848. Its totient is φ = 765445934400.

The previous prime is 844127709157. The next prime is 844127709169. The reversal of 844127709161 is 161907721448.

It is a cyclic number.

It is not a de Polignac number, because 844127709161 - 2² = 844127709157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (844127709169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44387891 + ... + 44406903.

It is an arithmetic number, because the mean of its divisors is an integer number (57699922428).

Almost surely, 2^844127709161 is an apocalyptic number.

It is an amenable number.

844127709161 is a deficient number, since it is larger than the sum of its proper divisors (79071049687).

844127709161 is a wasteful number, since it uses less digits than its factorization.

844127709161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29032.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 844127709161 in words is "eight hundred forty-four billion, one hundred twenty-seven million, seven hundred nine thousand, one hundred sixty-one".