578905020 has 36 divisors (see below), whose sum is σ = 1756012440. Its totient is φ = 154374624.

The previous prime is 578905013. The next prime is 578905027. The reversal of 578905020 is 20509875.

It is an interprime number because it is at equal distance from previous prime (578905013) and next prime (578905027).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578905027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607890 + ... + 1608249.

Almost surely, 2^578905020 is an apocalyptic number.

It is an amenable number.

578905020 is an abundant number, since it is smaller than the sum of its proper divisors (1177107420).

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

578905020 is a wasteful number, since it uses less digits than its factorization.

578905020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216154 (or 3216149 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 578905020 is about 24060.4451330394. The cubic root of 578905020 is about 833.4299539525.

The spelling of 578905020 in words is "five hundred seventy-eight million, nine hundred five thousand, twenty".