478286167 has 4 divisors (see below), whose sum is σ = 478553536. Its totient is φ = 478018800.

The previous prime is 478286153. The next prime is 478286201. The reversal of 478286167 is 761682874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761682874 = 2 ⋅380841437.

It is a cyclic number.

It is not a de Polignac number, because 478286167 - 2¹¹ = 478284119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478286167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478286467) 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, 130983 + ... + 134584.

It is an arithmetic number, because the mean of its divisors is an integer number (119638384).

Almost surely, 2^478286167 is an apocalyptic number.

478286167 is a deficient number, since it is larger than the sum of its proper divisors (267369).

478286167 is a wasteful number, since it uses less digits than its factorization.

478286167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267368.

The product of its digits is 903168, while the sum is 49.

The square root of 478286167 is about 21869.7546168218. The cubic root of 478286167 is about 782.0405517701.

The spelling of 478286167 in words is "four hundred seventy-eight million, two hundred eighty-six thousand, one hundred sixty-seven".