472673320778 has 4 divisors (see below), whose sum is σ = 709009981170. Its totient is φ = 236336660388.

The previous prime is 472673320753. The next prime is 472673320789. The reversal of 472673320778 is 877023376274.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 465774855529 + 6898465249 = 682477^2 + 83057^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118168330193 + ... + 118168330196.

Almost surely, 2^472673320778 is an apocalyptic number.

472673320778 is a deficient number, since it is larger than the sum of its proper divisors (236336660392).

472673320778 is a wasteful number, since it uses less digits than its factorization.

472673320778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236336660391.

The product of its (nonzero) digits is 16595712, while the sum is 56.

The spelling of 472673320778 in words is "four hundred seventy-two billion, six hundred seventy-three million, three hundred twenty thousand, seven hundred seventy-eight".