478860894 has 24 divisors (see below), whose sum is σ = 1062839232. Its totient is φ = 155726880.

The previous prime is 478860869. The next prime is 478860917. The reversal of 478860894 is 498068874.

478860894 is a `hidden beast` number, since 478 + 86 + 0 + 8 + 94 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 478860894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323694 + ... + 325169.

It is an arithmetic number, because the mean of its divisors is an integer number (44284968).

Almost surely, 2^478860894 is an apocalyptic number.

478860894 is an abundant number, since it is smaller than the sum of its proper divisors (583978338).

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

478860894 is a wasteful number, since it uses less digits than its factorization.

478860894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648912 (or 648909 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 478860894 is about 21882.8904397934. The cubic root of 478860894 is about 782.3536696912.

The spelling of 478860894 in words is "four hundred seventy-eight million, eight hundred sixty thousand, eight hundred ninety-four".