478645347 has 32 divisors (see below), whose sum is σ = 663552000. Its totient is φ = 306760608.

The previous prime is 478645337. The next prime is 478645373. The reversal of 478645347 is 743546874.

It is a happy number.

It is not a de Polignac number, because 478645347 - 2⁸ = 478645091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478645296 and 478645305.

It is not an unprimeable number, because it can be changed into a prime (478645327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2405154 + ... + 2405352.

It is an arithmetic number, because the mean of its divisors is an integer number (20736000).

Almost surely, 2^478645347 is an apocalyptic number.

478645347 is a deficient number, since it is larger than the sum of its proper divisors (184906653).

478645347 is a wasteful number, since it uses less digits than its factorization.

478645347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 2257920, while the sum is 48.

The square root of 478645347 is about 21877.9648733606. The cubic root of 478645347 is about 782.2362665672.

The spelling of 478645347 in words is "four hundred seventy-eight million, six hundred forty-five thousand, three hundred forty-seven".