478487013 has 8 divisors (see below), whose sum is σ = 671560800. Its totient is φ = 302202288.

The previous prime is 478486973. The next prime is 478487017. The reversal of 478487013 is 310784874.

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

It is not a de Polignac number, because 478487013 - 2¹⁶ = 478421477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478487017) 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, 4197198 + ... + 4197311.

It is an arithmetic number, because the mean of its divisors is an integer number (83945100).

Almost surely, 2^478487013 is an apocalyptic number.

It is an amenable number.

478487013 is a deficient number, since it is larger than the sum of its proper divisors (193073787).

478487013 is a wasteful number, since it uses less digits than its factorization.

478487013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8394531.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 478487013 is about 21874.3460016523. The cubic root of 478487013 is about 782.1500034935.

The spelling of 478487013 in words is "four hundred seventy-eight million, four hundred eighty-seven thousand, thirteen".