478689968 has 10 divisors (see below), whose sum is σ = 927461844. Its totient is φ = 239344976.

The previous prime is 478689949. The next prime is 478689973. The reversal of 478689968 is 869986874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14959046 + ... + 14959077.

Almost surely, 2^478689968 is an apocalyptic number.

It is an amenable number.

478689968 is a deficient number, since it is larger than the sum of its proper divisors (448771876).

478689968 is a wasteful number, since it uses less digits than its factorization.

478689968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29918131 (or 29918125 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The square root of 478689968 is about 21878.9846199498. The cubic root of 478689968 is about 782.2605734157.

The spelling of 478689968 in words is "four hundred seventy-eight million, six hundred eighty-nine thousand, nine hundred sixty-eight".