578645860 has 60 divisors (see below), whose sum is σ = 1317715308. Its totient is φ = 213442944.

The previous prime is 578645843. The next prime is 578645861. The reversal of 578645860 is 68546875.

It can be written as a sum of positive squares in 10 ways, for example, as 474891264 + 103754596 = 21792^2 + 10186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578645861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 570714 + ... + 571726.

Almost surely, 2^578645860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 578645860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658857654).

578645860 is an abundant number, since it is smaller than the sum of its proper divisors (739069448).

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

578645860 is a wasteful number, since it uses less digits than its factorization.

578645860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The square root of 578645860 is about 24055.0589273857. The cubic root of 578645860 is about 833.3055674304.

The spelling of 578645860 in words is "five hundred seventy-eight million, six hundred forty-five thousand, eight hundred sixty".