478474370047 has 4 divisors (see below), whose sum is σ = 491406109816. Its totient is φ = 465542630280.

The previous prime is 478474369957. The next prime is 478474370053. The reversal of 478474370047 is 740073474874.

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 478474370047 - 2¹¹ = 478474367999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478474370047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478474370447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465869829 + ... + 6465869902.

It is an arithmetic number, because the mean of its divisors is an integer number (122851527454).

Almost surely, 2^478474370047 is an apocalyptic number.

478474370047 is a deficient number, since it is larger than the sum of its proper divisors (12931739769).

478474370047 is a wasteful number, since it uses less digits than its factorization.

478474370047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931739768.

The product of its (nonzero) digits is 14751744, while the sum is 55.

The spelling of 478474370047 in words is "four hundred seventy-eight billion, four hundred seventy-four million, three hundred seventy thousand, forty-seven".