478257512 has 16 divisors (see below), whose sum is σ = 943929600. Its totient is φ = 226542960.

The previous prime is 478257509. The next prime is 478257541. The reversal of 478257512 is 215752874.

It is a self number, because there is not a number n which added to its sum of digits gives 478257512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573064 + ... + 1573367.

It is an arithmetic number, because the mean of its divisors is an integer number (58995600).

Almost surely, 2^478257512 is an apocalyptic number.

It is an amenable number.

478257512 is a deficient number, since it is larger than the sum of its proper divisors (465672088).

478257512 is a wasteful number, since it uses less digits than its factorization.

478257512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146456 (or 3146452 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 478257512 is about 21869.0994784879. The cubic root of 478257512 is about 782.0249336311.

The spelling of 478257512 in words is "four hundred seventy-eight million, two hundred fifty-seven thousand, five hundred twelve".