How many apps can 64 gb iphone hold?

In your honest opinion what's capacity for apps on iPhone 5 64 gb hold?

First - find out how much of that 64GB of RAM memory is available for holding apps. Then use an average app-size to estimate how may apps that memory will hold.

What kind of apps?
games photo's and video's take up alot of space, but social network apps and utility apps only take up a view mb's