8888944009 has 4 divisors (see below), whose sum is σ = 9697029840. Its totient is φ = 8080858180.

The previous prime is 8888944007. The next prime is 8888944027. The reversal of 8888944009 is 9004498888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8888944009 - 2¹ = 8888944007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8888944007) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 404042899 + ... + 404042920.

It is an arithmetic number, because the mean of its divisors is an integer number (2424257460).

Almost surely, 2^8888944009 is an apocalyptic number.

It is an amenable number.

8888944009 is a deficient number, since it is larger than the sum of its proper divisors (808085831).

8888944009 is a wasteful number, since it uses less digits than its factorization.

8888944009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808085830.

The product of its (nonzero) digits is 5308416, while the sum is 58.

The square root of 8888944009 is about 94281.1964762858. The cubic root of 8888944009 is about 2071.4926190687.

The spelling of 8888944009 in words is "eight billion, eight hundred eighty-eight million, nine hundred forty-four thousand, nine".