8805444955609 has 3 divisors (see below), whose sum is σ = 8805447923007. Its totient is φ = 8805441988212.

The previous prime is 8805444955607. The next prime is 8805444955667. The reversal of 8805444955609 is 9065594445088.

The square root of 8805444955609 is 2967397.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 653437806025 + 8152007149584 = 808355^2 + 2855172^2 .

It is not a de Polignac number, because 8805444955609 - 2¹ = 8805444955607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8805444955607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1483699 + ... + 4451095.

It is an arithmetic number, because the mean of its divisors is an integer number (2935149307669).

Almost surely, 2^{8805444955609} is an apocalyptic number.

8805444955609 is the 2967397-th square number.

8805444955609 is the 1483699-th centered octagonal number.

It is an amenable number.

8805444955609 is a deficient number, since it is larger than the sum of its proper divisors (2967398).

8805444955609 is an frugal number, since it uses more digits than its factorization.

8805444955609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934794 (or 2967397 counting only the distinct ones).

The product of its (nonzero) digits is 248832000, while the sum is 67.

The spelling of 8805444955609 in words is "eight trillion, eight hundred five billion, four hundred forty-four million, nine hundred fifty-five thousand, six hundred nine".