844673285376 has 216 divisors, whose sum is σ = 2580805500000. Its totient is φ = 264946692096.

The previous prime is 844673285371. The next prime is 844673285383. The reversal of 844673285376 is 673582376448.

844673285376 is a `hidden beast` number, since 8 + 4 + 4 + 6 + 73 + 28 + 537 + 6 = 666.

It is a super-2 number, since 2×844673285376² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (844673285371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6457875 + ... + 6587373.

Almost surely, 2^844673285376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 844673285376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290402750000).

844673285376 is an abundant number, since it is smaller than the sum of its proper divisors (1736132214624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844673285376 is a wasteful number, since it uses less digits than its factorization.

844673285376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129689 (or 129672 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 63.

The spelling of 844673285376 in words is "eight hundred forty-four billion, six hundred seventy-three million, two hundred eighty-five thousand, three hundred seventy-six".