844478696 has 8 divisors (see below), whose sum is σ = 1583397570. Its totient is φ = 422239344.

The previous prime is 844478669. The next prime is 844478711. The reversal of 844478696 is 696874448.

844478696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 427910596 + 416568100 = 20686^2 + 20410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52779911 + ... + 52779926.

Almost surely, 2^844478696 is an apocalyptic number.

It is an amenable number.

844478696 is a deficient number, since it is larger than the sum of its proper divisors (738918874).

844478696 is a wasteful number, since it uses less digits than its factorization.

844478696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105559843 (or 105559839 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The square root of 844478696 is about 29059.9156227268. The cubic root of 844478696 is about 945.2127386074.

The spelling of 844478696 in words is "eight hundred forty-four million, four hundred seventy-eight thousand, six hundred ninety-six".