478585870 has 128 divisors (see below), whose sum is σ = 1118499840. Its totient is φ = 143493120.

The previous prime is 478585867. The next prime is 478585873. The reversal of 478585870 is 78585874.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (478585867) and next prime (478585873).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478585873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1379037 + ... + 1379383.

It is an arithmetic number, because the mean of its divisors is an integer number (8738280).

Almost surely, 2^478585870 is an apocalyptic number.

478585870 is an abundant number, since it is smaller than the sum of its proper divisors (639913970).

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

478585870 is a wasteful number, since it uses less digits than its factorization.

478585870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 2508800, while the sum is 52.

The square root of 478585870 is about 21876.6055410797. The cubic root of 478585870 is about 782.2038647106.

The spelling of 478585870 in words is "four hundred seventy-eight million, five hundred eighty-five thousand, eight hundred seventy".