989870068 has 12 divisors (see below), whose sum is σ = 1889752032. Its totient is φ = 449940920.

The previous prime is 989870053. The next prime is 989870069. The reversal of 989870068 is 860078989.

989870068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989870069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11248480 + ... + 11248567.

It is an arithmetic number, because the mean of its divisors is an integer number (157479336).

Almost surely, 2^989870068 is an apocalyptic number.

It is an amenable number.

989870068 is a deficient number, since it is larger than the sum of its proper divisors (899881964).

989870068 is a wasteful number, since it uses less digits than its factorization.

989870068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22497062 (or 22497060 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 989870068 is about 31462.2006223341. The cubic root of 989870068 is about 996.6118896728.

The spelling of 989870068 in words is "nine hundred eighty-nine million, eight hundred seventy thousand, sixty-eight".