478766631776 has 96 divisors (see below), whose sum is σ = 1027517073408. Its totient is φ = 218918430720.

The previous prime is 478766631767. The next prime is 478766631797. The reversal of 478766631776 is 677136667874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1767320 + ... + 2020136.

It is an arithmetic number, because the mean of its divisors is an integer number (10703302848).

Almost surely, 2^478766631776 is an apocalyptic number.

478766631776 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478766631776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513758536704).

478766631776 is an abundant number, since it is smaller than the sum of its proper divisors (548750441632).

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

478766631776 is a wasteful number, since it uses less digits than its factorization.

478766631776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252964 (or 252956 counting only the distinct ones).

The product of its digits is 298722816, while the sum is 68.

The spelling of 478766631776 in words is "four hundred seventy-eight billion, seven hundred sixty-six million, six hundred thirty-one thousand, seven hundred seventy-six".