406216776227 has 4 divisors (see below), whose sum is σ = 407652171480. Its totient is φ = 404781380976.

The previous prime is 406216776221. The next prime is 406216776263. The reversal of 406216776227 is 722677612604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406216776227 - 2²² = 406212581923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406216776221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717697202 + ... + 717697767.

It is an arithmetic number, because the mean of its divisors is an integer number (101913042870).

Almost surely, 2^406216776227 is an apocalyptic number.

406216776227 is a deficient number, since it is larger than the sum of its proper divisors (1435395253).

406216776227 is a wasteful number, since it uses less digits than its factorization.

406216776227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435395252.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 406216776227 in words is "four hundred six billion, two hundred sixteen million, seven hundred seventy-six thousand, two hundred twenty-seven".