578660578 has 4 divisors (see below), whose sum is σ = 867990870. Its totient is φ = 289330288.

The previous prime is 578660573. The next prime is 578660587. The reversal of 578660578 is 875066875.

578660578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 407757249 + 170903329 = 20193^2 + 13073^2 .

It is not an unprimeable number, because it can be changed into a prime (578660573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144665143 + ... + 144665146.

Almost surely, 2^578660578 is an apocalyptic number.

578660578 is a deficient number, since it is larger than the sum of its proper divisors (289330292).

578660578 is a wasteful number, since it uses less digits than its factorization.

578660578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289330291.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The square root of 578660578 is about 24055.3648486154. The cubic root of 578660578 is about 833.3126324813.

The spelling of 578660578 in words is "five hundred seventy-eight million, six hundred sixty thousand, five hundred seventy-eight".