844374266735564 has 12 divisors (see below), whose sum is σ = 1483148107929600. Its totient is φ = 420617664469968.

The previous prime is 844374266735539. The next prime is 844374266735609. The reversal of 844374266735564 is 465537662473448.

It is a junction number, because it is equal to n+sod(n) for n = 844374266735491 and 844374266735500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392367223244 + ... + 392367225395.

It is an arithmetic number, because the mean of its divisors is an integer number (123595675660800).

Almost surely, 2^{844374266735564} is an apocalyptic number.

It is an amenable number.

844374266735564 is a deficient number, since it is larger than the sum of its proper divisors (638773841194036).

844374266735564 is a wasteful number, since it uses less digits than its factorization.

844374266735564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784734448912 (or 784734448910 counting only the distinct ones).

The product of its digits is 9754214400, while the sum is 74.

The spelling of 844374266735564 in words is "eight hundred forty-four trillion, three hundred seventy-four billion, two hundred sixty-six million, seven hundred thirty-five thousand, five hundred sixty-four".