478664316 has 216 divisors, whose sum is σ = 1435053984. Its totient is φ = 138568320.

The previous prime is 478664311. The next prime is 478664317. The reversal of 478664316 is 613466874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478664311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7846926 + ... + 7846986.

Almost surely, 2^478664316 is an apocalyptic number.

478664316 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 478664316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717526992).

478664316 is an abundant number, since it is smaller than the sum of its proper divisors (956389668).

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

478664316 is a wasteful number, since it uses less digits than its factorization.

478664316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 102 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 478664316 is about 21878.3983874506. The cubic root of 478664316 is about 782.2465999269.

The spelling of 478664316 in words is "four hundred seventy-eight million, six hundred sixty-four thousand, three hundred sixteen".