89000000000068 has 12 divisors (see below), whose sum is σ = 155750888082412. Its totient is φ = 44499746262240.

The previous prime is 89000000000063. The next prime is 89000000000071. The reversal of 89000000000068 is 86000000000098.

It can be written as a sum of positive squares in 2 ways, for example, as 43392020656644 + 45607979343424 = 6587262^2 + 6753368^2 .

89000000000068 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 = 88999999999949 and 89000000000039.

It is not an unprimeable number, because it can be changed into a prime (89000000000063) 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, 62644155 + ... + 64049122.

Almost surely, 2^{89000000000068} is an apocalyptic number.

It is an amenable number.

89000000000068 is a deficient number, since it is larger than the sum of its proper divisors (66750888082344).

89000000000068 is a wasteful number, since it uses less digits than its factorization.

89000000000068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126868902 (or 126868900 counting only the distinct ones).

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

The spelling of 89000000000068 in words is "eighty-nine trillion, sixty-eight", and thus it is an aban number and an uban number.