8804643776644 has 9 divisors (see below), whose sum is σ = 15408136994551. Its totient is φ = 4402318921060.

The previous prime is 8804643776641. The next prime is 8804643776647. The reversal of 8804643776644 is 4466773464088.

The square root of 8804643776644 is 2967262.

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

It is an interprime number because it is at equal distance from previous prime (8804643776641) and next prime (8804643776647).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8804643776644.

It is not an unprimeable number, because it can be changed into a prime (8804643776641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5192709 + ... + 6676339.

Almost surely, 2^{8804643776644} is an apocalyptic number.

8804643776644 is the 2967262-nd square number.

It is an amenable number.

8804643776644 is a deficient number, since it is larger than the sum of its proper divisors (6603493217907).

8804643776644 is an frugal number, since it uses more digits than its factorization.

8804643776644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967266 (or 1483633 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 67.

The spelling of 8804643776644 in words is "eight trillion, eight hundred four billion, six hundred forty-three million, seven hundred seventy-six thousand, six hundred forty-four".