478674823 has 8 divisors (see below), whose sum is σ = 522380160. Its totient is φ = 435001080.

The previous prime is 478674817. The next prime is 478674857. The reversal of 478674823 is 328476874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478674823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478674803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33036 + ... + 45262.

It is an arithmetic number, because the mean of its divisors is an integer number (65297520).

Almost surely, 2^478674823 is an apocalyptic number.

478674823 is a deficient number, since it is larger than the sum of its proper divisors (43705337).

478674823 is a wasteful number, since it uses less digits than its factorization.

478674823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15797.

The product of its digits is 1806336, while the sum is 49.

The square root of 478674823 is about 21878.6385088287. The cubic root of 478674823 is about 782.2523234961.

The spelling of 478674823 in words is "four hundred seventy-eight million, six hundred seventy-four thousand, eight hundred twenty-three".