1088844889 has 8 divisors (see below), whose sum is σ = 1188075168. Its totient is φ = 989655360.

The previous prime is 1088844881. The next prime is 1088844907. The reversal of 1088844889 is 9884488801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1088844889 - 2³ = 1088844881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088844881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82014 + ... + 94360.

It is an arithmetic number, because the mean of its divisors is an integer number (148509396).

Almost surely, 2^1088844889 is an apocalyptic number.

It is an amenable number.

1088844889 is a deficient number, since it is larger than the sum of its proper divisors (99230279).

1088844889 is a wasteful number, since it uses less digits than its factorization.

1088844889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20375.

The product of its (nonzero) digits is 4718592, while the sum is 58.

The square root of 1088844889 is about 32997.6497496413. The cubic root of 1088844889 is about 1028.7787986940.

The spelling of 1088844889 in words is "one billion, eighty-eight million, eight hundred forty-four thousand, eight hundred eighty-nine".