89000000068 has 18 divisors (see below), whose sum is σ = 181178571966. Its totient is φ = 38142857088.

The previous prime is 89000000039. The next prime is 89000000071. The reversal of 89000000068 is 86000000098.

It can be written as a sum of positive squares in only one way, i.e., 86370156544 + 2629843524 = 293888^2 + 51282^2 .

89000000068 is a strobogrammatic number because it is the same when read upside-down.

It is a junction number, because it is equal to n+sod(n) for n = 88999999976 and 89000000039.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227040621 + ... + 227041012.

Almost surely, 2^89000000068 is an apocalyptic number.

It is an amenable number.

89000000068 is an abundant number, since it is smaller than the sum of its proper divisors (92178571898).

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

89000000068 is a wasteful number, since it uses less digits than its factorization.

89000000068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454081651 (or 454081642 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 89000000068 in words is "eighty-nine billion, sixty-eight", and thus it is an aban number and an uban number.