478168745 has 16 divisors (see below), whose sum is σ = 589230720. Its totient is φ = 372376704.

The previous prime is 478168699. The next prime is 478168759. The reversal of 478168745 is 547861874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 478168745 - 2⁸ = 478168489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 478168693 and 478168702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22517 + ... + 38253.

It is an arithmetic number, because the mean of its divisors is an integer number (36826920).

Almost surely, 2^478168745 is an apocalyptic number.

It is an amenable number.

478168745 is a deficient number, since it is larger than the sum of its proper divisors (111061975).

478168745 is a wasteful number, since it uses less digits than its factorization.

478168745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904.

The product of its digits is 1505280, while the sum is 50.

The square root of 478168745 is about 21867.0698768719. The cubic root of 478168745 is about 781.9765480503.

The spelling of 478168745 in words is "four hundred seventy-eight million, one hundred sixty-eight thousand, seven hundred forty-five".