888002089 has 8 divisors (see below), whose sum is σ = 1012563720. Its totient is φ = 771476736.

The previous prime is 888002081. The next prime is 888002111. The reversal of 888002089 is 980200888.

It can be written as a sum of positive squares in 4 ways, for example, as 262602025 + 625400064 = 16205^2 + 25008^2 .

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 888002089 - 2³ = 888002081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (888002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008834 + ... + 2009275.

It is an arithmetic number, because the mean of its divisors is an integer number (126570465).

Almost surely, 2^888002089 is an apocalyptic number.

It is an amenable number.

888002089 is a deficient number, since it is larger than the sum of its proper divisors (124561631).

888002089 is a wasteful number, since it uses less digits than its factorization.

888002089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018139.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 888002089 is about 29799.3639026070. The cubic root of 888002089 is about 961.1798604579.

The spelling of 888002089 in words is "eight hundred eighty-eight million, two thousand, eighty-nine".