478668654 has 12 divisors (see below), whose sum is σ = 1037115456. Its totient is φ = 159556212.

The previous prime is 478668649. The next prime is 478668721. The reversal of 478668654 is 456866874.

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 478668654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13296334 + ... + 13296369.

It is an arithmetic number, because the mean of its divisors is an integer number (86426288).

Almost surely, 2^478668654 is an apocalyptic number.

478668654 is an abundant number, since it is smaller than the sum of its proper divisors (558446802).

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

478668654 is a wasteful number, since it uses less digits than its factorization.

478668654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592711 (or 26592708 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 478668654 is about 21878.4975261100. The cubic root of 478668654 is about 782.2489630134.

The spelling of 478668654 in words is "four hundred seventy-eight million, six hundred sixty-eight thousand, six hundred fifty-four".