478064684 has 12 divisors (see below), whose sum is σ = 885825864. Its totient is φ = 224971584.

The previous prime is 478064659. The next prime is 478064687. The reversal of 478064684 is 486460874.

It is not an unprimeable number, because it can be changed into a prime (478064687) 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, 3515114 + ... + 3515249.

It is an arithmetic number, because the mean of its divisors is an integer number (73818822).

Almost surely, 2^478064684 is an apocalyptic number.

It is an amenable number.

478064684 is a deficient number, since it is larger than the sum of its proper divisors (407761180).

478064684 is a wasteful number, since it uses less digits than its factorization.

478064684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030384 (or 7030382 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 478064684 is about 21864.6903476816. The cubic root of 478064684 is about 781.9198183107.

The spelling of 478064684 in words is "four hundred seventy-eight million, sixty-four thousand, six hundred eighty-four".