478344117 has 8 divisors (see below), whose sum is σ = 644958720. Its totient is φ = 315312800.

The previous prime is 478344101. The next prime is 478344149. The reversal of 478344117 is 711443874.

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 478344117 - 2⁴ = 478344101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478344157) 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, 895509 + ... + 896042.

It is an arithmetic number, because the mean of its divisors is an integer number (80619840).

Almost surely, 2^478344117 is an apocalyptic number.

It is an amenable number.

478344117 is a deficient number, since it is larger than the sum of its proper divisors (166614603).

478344117 is a wasteful number, since it uses less digits than its factorization.

478344117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791643.

The product of its digits is 75264, while the sum is 39.

The square root of 478344117 is about 21871.0794658151. The cubic root of 478344117 is about 782.0721349679.

The spelling of 478344117 in words is "four hundred seventy-eight million, three hundred forty-four thousand, one hundred seventeen".