8489988888 has 32 divisors (see below), whose sum is σ = 21239727360. Its totient is φ = 2828028960.

The previous prime is 8489988869. The next prime is 8489988889. The reversal of 8489988888 is 8888899848.

It is a super-2 number, since 2×8489988888² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8489988889) 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, 87508 + ... + 156963.

It is an arithmetic number, because the mean of its divisors is an integer number (663741480).

Almost surely, 2^8489988888 is an apocalyptic number.

It is an amenable number.

8489988888 is an abundant number, since it is smaller than the sum of its proper divisors (12749738472).

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

8489988888 is a wasteful number, since it uses less digits than its factorization.

8489988888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245927 (or 245923 counting only the distinct ones).

The product of its digits is 679477248, while the sum is 78.

The square root of 8489988888 is about 92141.1356995343. The cubic root of 8489988888 is about 2040.0260223516.

The spelling of 8489988888 in words is "eight billion, four hundred eighty-nine million, nine hundred eighty-eight thousand, eight hundred eighty-eight".