478633507 has 8 divisors (see below), whose sum is σ = 529500672. Its totient is φ = 428992200.

The previous prime is 478633501. The next prime is 478633531. The reversal of 478633507 is 705336874.

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 478633507 - 2¹¹ = 478631459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478633501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305643 + ... + 307204.

It is an arithmetic number, because the mean of its divisors is an integer number (66187584).

Almost surely, 2^478633507 is an apocalyptic number.

478633507 is a deficient number, since it is larger than the sum of its proper divisors (50867165).

478633507 is a wasteful number, since it uses less digits than its factorization.

478633507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612929.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 478633507 is about 21877.6942797910. The cubic root of 478633507 is about 782.2298165906.

The spelling of 478633507 in words is "four hundred seventy-eight million, six hundred thirty-three thousand, five hundred seven".