578789020 has 96 divisors (see below), whose sum is σ = 1364428800. Its totient is φ = 205185024.

The previous prime is 578789017. The next prime is 578789069. The reversal of 578789020 is 20987875.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410076 + ... + 411484.

It is an arithmetic number, because the mean of its divisors is an integer number (14212800).

Almost surely, 2^578789020 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 578789020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682214400).

578789020 is an abundant number, since it is smaller than the sum of its proper divisors (785639780).

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

578789020 is a wasteful number, since it uses less digits than its factorization.

578789020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 578789020 is about 24058.0344168014. The cubic root of 578789020 is about 833.3742831433.

The spelling of 578789020 in words is "five hundred seventy-eight million, seven hundred eighty-nine thousand, twenty".