8905989768 has 64 divisors (see below), whose sum is σ = 24487868160. Its totient is φ = 2681995776.

The previous prime is 8905989731. The next prime is 8905989787. The reversal of 8905989768 is 8679895098.

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, 289005 + ... + 318332.

It is an arithmetic number, because the mean of its divisors is an integer number (382622940).

Almost surely, 2^8905989768 is an apocalyptic number.

It is an amenable number.

8905989768 is an abundant number, since it is smaller than the sum of its proper divisors (15581878392).

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

8905989768 is a wasteful number, since it uses less digits than its factorization.

8905989768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607406 (or 607402 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 69.

The square root of 8905989768 is about 94371.5516879955. The cubic root of 8905989768 is about 2072.8158965114.

The spelling of 8905989768 in words is "eight billion, nine hundred five million, nine hundred eighty-nine thousand, seven hundred sixty-eight".