478009067 has 4 divisors (see below), whose sum is σ = 487028160. Its totient is φ = 468989976.

The previous prime is 478009039. The next prime is 478009123. The reversal of 478009067 is 760900874.

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 478009067 - 2⁶ = 478009003 is a prime.

It is a super-3 number, since 3×478009067³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478009267) 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, 4509467 + ... + 4509572.

It is an arithmetic number, because the mean of its divisors is an integer number (121757040).

Almost surely, 2^478009067 is an apocalyptic number.

478009067 is a deficient number, since it is larger than the sum of its proper divisors (9019093).

478009067 is an equidigital number, since it uses as much as digits as its factorization.

478009067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9019092.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 478009067 is about 21863.4184655557. The cubic root of 478009067 is about 781.8894948541.

The spelling of 478009067 in words is "four hundred seventy-eight million, nine thousand, sixty-seven".