478680667 has 8 divisors (see below), whose sum is σ = 480556800. Its totient is φ = 476809320.

The previous prime is 478680659. The next prime is 478680673. The reversal of 478680667 is 766086874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478680667 - 2³ = 478680659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478680607) 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 7 ways as a sum of consecutive naturals, for example, 492492 + ... + 493462.

It is an arithmetic number, because the mean of its divisors is an integer number (60069600).

Almost surely, 2^478680667 is an apocalyptic number.

478680667 is a deficient number, since it is larger than the sum of its proper divisors (1876133).

478680667 is an equidigital number, since it uses as much as digits as its factorization.

478680667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The square root of 478680667 is about 21878.7720633494. The cubic root of 478680667 is about 782.2555069125.

The spelling of 478680667 in words is "four hundred seventy-eight million, six hundred eighty thousand, six hundred sixty-seven".