478375813 has 4 divisors (see below), whose sum is σ = 478504768. Its totient is φ = 478246860.

The previous prime is 478375811. The next prime is 478375819. The reversal of 478375813 is 318573874.

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.

It is a cyclic number.

It is not a de Polignac number, because 478375813 - 2¹ = 478375811 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 (478375811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58743 + ... + 66388.

It is an arithmetic number, because the mean of its divisors is an integer number (119626192).

Almost surely, 2^478375813 is an apocalyptic number.

It is an amenable number.

478375813 is a deficient number, since it is larger than the sum of its proper divisors (128955).

478375813 is a wasteful number, since it uses less digits than its factorization.

478375813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128954.

The product of its digits is 564480, while the sum is 46.

The square root of 478375813 is about 21871.8040636798. The cubic root of 478375813 is about 782.0894084537.

The spelling of 478375813 in words is "four hundred seventy-eight million, three hundred seventy-five thousand, eight hundred thirteen".