578547920 has 20 divisors (see below), whose sum is σ = 1345124100. Its totient is φ = 231419136.

The previous prime is 578547917. The next prime is 578547979. The reversal of 578547920 is 29745875.

It is a happy number.

578547920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152868496 + 425679424 = 12364^2 + 20632^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×578547920³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615845 + ... + 3616004.

It is an arithmetic number, because the mean of its divisors is an integer number (67256205).

Almost surely, 2^578547920 is an apocalyptic number.

It is an amenable number.

578547920 is an abundant number, since it is smaller than the sum of its proper divisors (766576180).

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

578547920 is a wasteful number, since it uses less digits than its factorization.

578547920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231862 (or 7231856 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The square root of 578547920 is about 24053.0230948212. The cubic root of 578547920 is about 833.2585504448.

The spelling of 578547920 in words is "five hundred seventy-eight million, five hundred forty-seven thousand, nine hundred twenty".