478319800321 has 12 divisors (see below), whose sum is σ = 526163894032. Its totient is φ = 434499219000.

The previous prime is 478319800319. The next prime is 478319800333. The reversal of 478319800321 is 123008913874.

It is not a de Polignac number, because 478319800321 - 2¹ = 478319800319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478319801321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1374795 + ... + 1687216.

Almost surely, 2^478319800321 is an apocalyptic number.

It is an amenable number.

478319800321 is a deficient number, since it is larger than the sum of its proper divisors (47844093711).

478319800321 is a wasteful number, since it uses less digits than its factorization.

478319800321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063324 (or 3063313 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 478319800321 in words is "four hundred seventy-eight billion, three hundred nineteen million, eight hundred thousand, three hundred twenty-one".