The most common and most likely answer to this crossword clue is the 9 letter word DIVISIBLE
D
I
V
I
S
I
B
L
E
More clues leading to the result DIVISIBLE
Buddy explains!
The straight part
We know that "any number can be, by itself" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case any number can be, by itself = divisible.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DIVISIBLE mean?
DIVISIBLE noun- Any substance that can be divided.
- Capable of being divided or split.
- Of an integer, that, when divided by another integer, leaves no remainder.