844748486404 has 27 divisors (see below), whose sum is σ = 1503983720757. Its totient is φ = 415162049808.

The previous prime is 844748486377. The next prime is 844748486443. The reversal of 844748486404 is 404684847448.

The square root of 844748486404 is 919102.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 499427716804 + 345320769600 = 706702^2 + 587640^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108450142 + ... + 108457930.

Almost surely, 2^844748486404 is an apocalyptic number.

844748486404 is the 919102-nd square number.

It is an amenable number.

844748486404 is a deficient number, since it is larger than the sum of its proper divisors (659235234353).

844748486404 is an frugal number, since it uses more digits than its factorization.

844748486404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15700 (or 7850 counting only the distinct ones).

The product of its (nonzero) digits is 88080384, while the sum is 61.

The spelling of 844748486404 in words is "eight hundred forty-four billion, seven hundred forty-eight million, four hundred eighty-six thousand, four hundred four".