478538860 has 24 divisors (see below), whose sum is σ = 1039585680. Its totient is φ = 184814784.

The previous prime is 478538833. The next prime is 478538861. The reversal of 478538860 is 68835874.

It is not an unprimeable number, because it can be changed into a prime (478538861) 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, 411954 + ... + 413113.

It is an arithmetic number, because the mean of its divisors is an integer number (43316070).

Almost surely, 2^478538860 is an apocalyptic number.

It is an amenable number.

478538860 is an abundant number, since it is smaller than the sum of its proper divisors (561046820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478538860 is a wasteful number, since it uses less digits than its factorization.

478538860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825105 (or 825103 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The square root of 478538860 is about 21875.5310792675. The cubic root of 478538860 is about 782.1782527219.

The spelling of 478538860 in words is "four hundred seventy-eight million, five hundred thirty-eight thousand, eight hundred sixty".