478689216 has 56 divisors (see below), whose sum is σ = 1290456144. Its totient is φ = 156549120.

The previous prime is 478689199. The next prime is 478689223. The reversal of 478689216 is 612986874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345 + ... + 33696.

Almost surely, 2^478689216 is an apocalyptic number.

It is an amenable number.

478689216 is an abundant number, since it is smaller than the sum of its proper divisors (811766928).

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

478689216 is a wasteful number, since it uses less digits than its factorization.

478689216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47109 (or 47099 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 478689216 is about 21878.9674345020. The cubic root of 478689216 is about 782.2601637837.

The spelling of 478689216 in words is "four hundred seventy-eight million, six hundred eighty-nine thousand, two hundred sixteen".