478968313 has 4 divisors (see below), whose sum is σ = 487086480. Its totient is φ = 470850148.

The previous prime is 478968311. The next prime is 478968331. The reversal of 478968313 is 313869874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313869874 = 2 ⋅156934937.

It is a cyclic number.

It is not a de Polignac number, because 478968313 - 2¹ = 478968311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478968311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4058995 + ... + 4059112.

It is an arithmetic number, because the mean of its divisors is an integer number (121771620).

Almost surely, 2^478968313 is an apocalyptic number.

It is an amenable number.

478968313 is a deficient number, since it is larger than the sum of its proper divisors (8118167).

478968313 is an equidigital number, since it uses as much as digits as its factorization.

478968313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8118166.

The product of its digits is 870912, while the sum is 49.

The square root of 478968313 is about 21885.3447082745. The cubic root of 478968313 is about 782.4121650126.

The spelling of 478968313 in words is "four hundred seventy-eight million, nine hundred sixty-eight thousand, three hundred thirteen".