stat is basically "ls" for programmers. Every item in "struct stat" gets displayed. Here's a sample:
% stat ~
/home/jef:
st_dev 168704
st_ino 316974
st_mode 00000040755 drwxr-xr-x
st_nlink 60
st_uid 1544
st_gid 1002
st_rdev 2657440
st_atime 1108068958 10Feb2005 12:55:58
st_mtime 1108068755 10Feb2005 12:52:35
st_ctime 1108068755 10Feb2005 12:52:35
st_size 2560
st_blocks 8
st_blksize 4096
st_flags 0x00000000
st_gen 0
See the manual entry for more details.