478170167 has 4 divisors (see below), whose sum is σ = 489832896. Its totient is φ = 466507440.

The previous prime is 478170163. The next prime is 478170193. The reversal of 478170167 is 761071874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 478170167 - 2² = 478170163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 11662687 = 478170167 / (4 + 7 + 8 + 1 + 7 + 0 + 1 + 6 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478170163) 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, 5831303 + ... + 5831384.

It is an arithmetic number, because the mean of its divisors is an integer number (122458224).

Almost surely, 2^478170167 is an apocalyptic number.

478170167 is a deficient number, since it is larger than the sum of its proper divisors (11662729).

478170167 is a wasteful number, since it uses less digits than its factorization.

478170167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11662728.

The product of its (nonzero) digits is 65856, while the sum is 41.

The square root of 478170167 is about 21867.1023914921. The cubic root of 478170167 is about 781.9773232087.

The spelling of 478170167 in words is "four hundred seventy-eight million, one hundred seventy thousand, one hundred sixty-seven".