478467813 has 8 divisors (see below), whose sum is σ = 638059968. Its totient is φ = 318927104.

The previous prime is 478467799. The next prime is 478467841. The reversal of 478467813 is 318764874.

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

It is a cyclic number.

It is not a de Polignac number, because 478467813 - 2⁶ = 478467749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478467853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23656 + ... + 38942.

It is an arithmetic number, because the mean of its divisors is an integer number (79757496).

Almost surely, 2^478467813 is an apocalyptic number.

It is an amenable number.

478467813 is a deficient number, since it is larger than the sum of its proper divisors (159592155).

478467813 is a wasteful number, since it uses less digits than its factorization.

478467813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25723.

The product of its digits is 903168, while the sum is 48.

The square root of 478467813 is about 21873.9071269858. The cubic root of 478467813 is about 782.1395417112.

The spelling of 478467813 in words is "four hundred seventy-eight million, four hundred sixty-seven thousand, eight hundred thirteen".