478378175 has 12 divisors (see below), whose sum is σ = 647115576. Its totient is φ = 347911200.

The previous prime is 478378157. The next prime is 478378177. The reversal of 478378175 is 571873874.

It is a happy number.

It is not a de Polignac number, because 478378175 - 2⁸ = 478377919 is a prime.

It is a super-3 number, since 3×478378175³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478378177) 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 11 ways as a sum of consecutive naturals, for example, 869504 + ... + 870053.

It is an arithmetic number, because the mean of its divisors is an integer number (53926298).

Almost surely, 2^478378175 is an apocalyptic number.

478378175 is a deficient number, since it is larger than the sum of its proper divisors (168737401).

478378175 is a wasteful number, since it uses less digits than its factorization.

478378175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739578 (or 1739573 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 50.

The square root of 478378175 is about 21871.8580600735. The cubic root of 478378175 is about 782.0906956510.

The spelling of 478378175 in words is "four hundred seventy-eight million, three hundred seventy-eight thousand, one hundred seventy-five".