bp_get_total_blog_count()

	function bp_get_total_blog_count() {

		/**
		 * Filters the total number of blogs on the site.
		 *
		 * @since BuddyPress 1.2.0
		 *
		 * @param int $value Total number of blogs on the site.
		 */
		return apply_filters( 'bp_get_total_blog_count', bp_blogs_total_blogs() );
	}