8993045844 has 48 divisors (see below), whose sum is σ = 23322902400. Its totient is φ = 2996705088.

The previous prime is 8993045833. The next prime is 8993045869. The reversal of 8993045844 is 4485403998.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369112 + ... + 392720.

It is an arithmetic number, because the mean of its divisors is an integer number (485893800).

Almost surely, 2^8993045844 is an apocalyptic number.

It is an amenable number.

8993045844 is an abundant number, since it is smaller than the sum of its proper divisors (14329856556).

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

8993045844 is a wasteful number, since it uses less digits than its factorization.

8993045844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27149 (or 27141 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The square root of 8993045844 is about 94831.6711020111. The cubic root of 8993045844 is about 2079.5479358415.

The spelling of 8993045844 in words is "eight billion, nine hundred ninety-three million, forty-five thousand, eight hundred forty-four".