8669844544 has 63 divisors (see below), whose sum is σ = 17527978533. Its totient is φ = 4254845952.

The previous prime is 8669844541. The next prime is 8669844559. The reversal of 8669844544 is 4454489668.

The square root of 8669844544 is 93112.

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., 152769600 + 8517074944 = 12360^2 + 92288^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8669844541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 76724232 + ... + 76724344.

Almost surely, 2^8669844544 is an apocalyptic number.

8669844544 is the 93112-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669844544

8669844544 is an abundant number, since it is smaller than the sum of its proper divisors (8858133989).

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

8669844544 is an equidigital number, since it uses as much as digits as its factorization.

8669844544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 218 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 58.

The cubic root of 8669844544 is about 2054.3310806630.

The spelling of 8669844544 in words is "eight billion, six hundred sixty-nine million, eight hundred forty-four thousand, five hundred forty-four".