478614067 has 4 divisors (see below), whose sum is σ = 478668760. Its totient is φ = 478559376.

The previous prime is 478614049. The next prime is 478614121. The reversal of 478614067 is 760416874.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 4-Lehmer number, since φ(478614067) divides (478614067-1)⁴.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478614067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478614167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10938 + ... + 32815.

It is an arithmetic number, because the mean of its divisors is an integer number (119667190).

It is a Poulet number, since it divides 2^478614066-1.

Almost surely, 2^478614067 is an apocalyptic number.

478614067 is the 10939-th decagonal number.

478614067 is a deficient number, since it is larger than the sum of its proper divisors (54693).

478614067 is a wasteful number, since it uses less digits than its factorization.

478614067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54692.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 478614067 is about 21877.2499871442. The cubic root of 478614067 is about 782.2192261958.

The spelling of 478614067 in words is "four hundred seventy-eight million, six hundred fourteen thousand, sixty-seven".