478733738873 has 48 divisors (see below), whose sum is σ = 555086960640. Its totient is φ = 411237485568.

The previous prime is 478733738867. The next prime is 478733738881. The reversal of 478733738873 is 378837337874.

It is a happy number.

It is not a de Polignac number, because 478733738873 - 2¹⁰ = 478733737849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478733738803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115662038 + ... + 115666176.

It is an arithmetic number, because the mean of its divisors is an integer number (11564311680).

Almost surely, 2^478733738873 is an apocalyptic number.

It is an amenable number.

478733738873 is a deficient number, since it is larger than the sum of its proper divisors (76353221767).

478733738873 is a wasteful number, since it uses less digits than its factorization.

478733738873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4613 counting only the distinct ones).

The product of its digits is 398297088, while the sum is 68.

The spelling of 478733738873 in words is "four hundred seventy-eight billion, seven hundred thirty-three million, seven hundred thirty-eight thousand, eight hundred seventy-three".