Well, everybody has 1777 as /tmp (with the sticky bit).
$ ll -d /tmp
drwxrwxrwt. 20 root root 4096 Mar 3 12:19 /tmp
$ mkdir mytmp
$ chmod 1777 mytmp
$ ll -d mytmp
drwxrwxrwt. 1 luser lgroup 0 Mar 3 12:19 mytmpWell, everybody has 1777 as /tmp (with the sticky bit).
$ ll -d /tmp
drwxrwxrwt. 20 root root 4096 Mar 3 12:19 /tmp
$ mkdir mytmp
$ chmod 1777 mytmp
$ ll -d mytmp
drwxrwxrwt. 1 luser lgroup 0 Mar 3 12:19 mytmp