8945805844 has 6 divisors (see below), whose sum is σ = 15655160234. Its totient is φ = 4472902920.

The previous prime is 8945805751. The next prime is 8945805857. The reversal of 8945805844 is 4485085498.

It can be written as a sum of positive squares in only one way, i.e., 8915136400 + 30669444 = 94420^2 + 5538^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118225727 + ... + 1118225734.

Almost surely, 2^8945805844 is an apocalyptic number.

It is an amenable number.

8945805844 is a deficient number, since it is larger than the sum of its proper divisors (6709354390).

8945805844 is a wasteful number, since it uses less digits than its factorization.

8945805844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236451465 (or 2236451463 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The square root of 8945805844 is about 94582.2702413090. The cubic root of 8945805844 is about 2075.9002891783.

The spelling of 8945805844 in words is "eight billion, nine hundred forty-five million, eight hundred five thousand, eight hundred forty-four".