478827666996 has 144 divisors (see below), whose sum is σ = 1307392128000. Its totient is φ = 135997202880.

The previous prime is 478827666979. The next prime is 478827667009. The reversal of 478827666996 is 699666728874.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136845255 + ... + 136848753.

It is an arithmetic number, because the mean of its divisors is an integer number (9079112000).

Almost surely, 2^478827666996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478827666996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653696064000).

478827666996 is an abundant number, since it is smaller than the sum of its proper divisors (828564461004).

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

478827666996 is a wasteful number, since it uses less digits than its factorization.

478827666996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4825 counting only the distinct ones).

The product of its digits is 2633637888, while the sum is 78.

The spelling of 478827666996 in words is "four hundred seventy-eight billion, eight hundred twenty-seven million, six hundred sixty-six thousand, nine hundred ninety-six".