478056656 has 80 divisors (see below), whose sum is σ = 1205065728. Its totient is φ = 178147200.

The previous prime is 478056653. The next prime is 478056659. The reversal of 478056656 is 656650874.

It is an interprime number because it is at equal distance from previous prime (478056653) and next prime (478056659).

It is a self number, because there is not a number n which added to its sum of digits gives 478056656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478056653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19901 + ... + 36771.

Almost surely, 2^478056656 is an apocalyptic number.

478056656 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 478056656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602532864).

478056656 is an abundant number, since it is smaller than the sum of its proper divisors (727009072).

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

478056656 is a wasteful number, since it uses less digits than its factorization.

478056656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16920 (or 16914 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The square root of 478056656 is about 21864.5067632453. The cubic root of 478056656 is about 781.9154414361.

The spelling of 478056656 in words is "four hundred seventy-eight million, fifty-six thousand, six hundred fifty-six".