478472964 has 12 divisors (see below), whose sum is σ = 1116436944. Its totient is φ = 159490984.

The previous prime is 478472899. The next prime is 478472977. The reversal of 478472964 is 469274874.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19936362 + ... + 19936385.

It is an arithmetic number, because the mean of its divisors is an integer number (93036412).

Almost surely, 2^478472964 is an apocalyptic number.

It is an amenable number.

478472964 is an abundant number, since it is smaller than the sum of its proper divisors (637963980).

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

478472964 is a wasteful number, since it uses less digits than its factorization.

478472964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39872754 (or 39872752 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 478472964 is about 21874.0248696942. The cubic root of 478472964 is about 782.1423484387.

The spelling of 478472964 in words is "four hundred seventy-eight million, four hundred seventy-two thousand, nine hundred sixty-four".