478044093 has 4 divisors (see below), whose sum is σ = 637392128. Its totient is φ = 318696060.

The previous prime is 478044079. The next prime is 478044103. The reversal of 478044093 is 390440874.

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 not a de Polignac number, because 478044093 - 2⁸ = 478043837 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 (478044053) 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, 79674013 + ... + 79674018.

It is an arithmetic number, because the mean of its divisors is an integer number (159348032).

Almost surely, 2^478044093 is an apocalyptic number.

It is an amenable number.

478044093 is a deficient number, since it is larger than the sum of its proper divisors (159348035).

478044093 is a wasteful number, since it uses less digits than its factorization.

478044093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159348034.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 478044093 is about 21864.2194692607. The cubic root of 478044093 is about 781.9085919762.

The spelling of 478044093 in words is "four hundred seventy-eight million, forty-four thousand, ninety-three".