478556885 has 16 divisors (see below), whose sum is σ = 610799616. Its totient is φ = 358695168.

The previous prime is 478556863. The next prime is 478556891. The reversal of 478556885 is 588655874.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 478556885 - 2¹⁸ = 478294741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478556885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6332 + ... + 31578.

It is an arithmetic number, because the mean of its divisors is an integer number (38174976).

Almost surely, 2^478556885 is an apocalyptic number.

It is an amenable number.

478556885 is a deficient number, since it is larger than the sum of its proper divisors (132242731).

478556885 is a wasteful number, since it uses less digits than its factorization.

478556885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25492.

The product of its digits is 10752000, while the sum is 56.

The square root of 478556885 is about 21875.9430653858. The cubic root of 478556885 is about 782.1880733008.

The spelling of 478556885 in words is "four hundred seventy-eight million, five hundred fifty-six thousand, eight hundred eighty-five".