478756195338 has 16 divisors (see below), whose sum is σ = 990530059680. Its totient is φ = 154082453616.

The previous prime is 478756195289. The next prime is 478756195339. The reversal of 478756195338 is 833591657874.

It is not an unprimeable number, because it can be changed into a prime (478756195339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375736020 + ... + 1375736367.

It is an arithmetic number, because the mean of its divisors is an integer number (61908128730).

Almost surely, 2^478756195338 is an apocalyptic number.

478756195338 is an abundant number, since it is smaller than the sum of its proper divisors (511773864342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478756195338 is a wasteful number, since it uses less digits than its factorization.

478756195338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751472421.

The product of its digits is 152409600, while the sum is 66.

The spelling of 478756195338 in words is "four hundred seventy-eight billion, seven hundred fifty-six million, one hundred ninety-five thousand, three hundred thirty-eight".