844611071407 has 4 divisors (see below), whose sum is σ = 844628502760. Its totient is φ = 844593640056.

The previous prime is 844611071363. The next prime is 844611071497. The reversal of 844611071407 is 704170116448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 844611071407 - 2¹¹ = 844611069359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844611071497) 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 in 3 ways as a sum of consecutive naturals, for example, 8642793 + ... + 8739970.

It is an arithmetic number, because the mean of its divisors is an integer number (211157125690).

Almost surely, 2^844611071407 is an apocalyptic number.

844611071407 is a deficient number, since it is larger than the sum of its proper divisors (17431353).

844611071407 is a wasteful number, since it uses less digits than its factorization.

844611071407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17431352.

The product of its (nonzero) digits is 150528, while the sum is 43.

The spelling of 844611071407 in words is "eight hundred forty-four billion, six hundred eleven million, seventy-one thousand, four hundred seven".