Can I mass change all admin emails for a multisite instance?

Okay so thanks to the suggestion from Rup I got this to work and apply to all my sites locally (will double check this before using on live!)

$blogs = get_sites(['public' => 1, 'orderby' => 'registered', 'order' => 'DESC', 'number' => 1000]);

foreach($blogs as $blog) {
    $bid = $blog->blog_id;
    switch_to_blog($bid);

    update_option( 'admin_email', '[email protected]' );
    update_option( 'new_admin_email', '[email protected]' ); 
}