Is it safe to chmod 777 everything?

How to Change File Permissions to 777 in Ubuntu chmod 777 Can't ssh into EBS volume - Accidentaly chmod 777 technical question I was trying to recovery a classic-ec2 instance by taking the volume, dclub777 What does chmod 777 mean in Linux? chmod stands for change mode and it is used for changing the mode of access where as 777 is the 'Octal

betflix777 chmod 777 administratorcomponents chmod 777 administratorlanguage chmod 777 administratorlanguageen GB chmod 777 administratorlanguageoverrides chmod