478315664 has 20 divisors (see below), whose sum is σ = 927488256. Its totient is φ = 238963872.

The previous prime is 478315661. The next prime is 478315679. The reversal of 478315664 is 466513874.

It is not an unprimeable number, because it can be changed into a prime (478315661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9377 + ... + 32319.

Almost surely, 2^478315664 is an apocalyptic number.

It is an amenable number.

478315664 is a deficient number, since it is larger than the sum of its proper divisors (449172592).

478315664 is a wasteful number, since it uses less digits than its factorization.

478315664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24254 (or 24248 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 478315664 is about 21870.4289852760. The cubic root of 478315664 is about 782.0566281818.

The spelling of 478315664 in words is "four hundred seventy-eight million, three hundred fifteen thousand, six hundred sixty-four".