1578863568 has 40 divisors (see below), whose sum is σ = 4120791808. Its totient is φ = 520860672.

The previous prime is 1578863563. The next prime is 1578863569. The reversal of 1578863568 is 8653688751.

1578863568 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1578863563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164896 + ... + 174207.

Almost surely, 2^1578863568 is an apocalyptic number.

It is an amenable number.

1578863568 is an abundant number, since it is smaller than the sum of its proper divisors (2541928240).

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

1578863568 is a wasteful number, since it uses less digits than its factorization.

1578863568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339211 (or 339205 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 57.

The square root of 1578863568 is about 39734.9162324523. The cubic root of 1578863568 is about 1164.4339733480.

The spelling of 1578863568 in words is "one billion, five hundred seventy-eight million, eight hundred sixty-three thousand, five hundred sixty-eight".