578368968656820 has 192 divisors, whose sum is σ = 1806703339924224. Its totient is φ = 137066158817280.

The previous prime is 578368968656803. The next prime is 578368968656833. The reversal of 578368968656820 is 28656869863875.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47672197 + ... + 58560876.

It is an arithmetic number, because the mean of its divisors is an integer number (9409913228772).

Almost surely, 2^{578368968656820} is an apocalyptic number.

It is an amenable number.

578368968656820 is an abundant number, since it is smaller than the sum of its proper divisors (1228334371267404).

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

578368968656820 is a wasteful number, since it uses less digits than its factorization.

578368968656820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106233282 (or 106233280 counting only the distinct ones).

The product of its (nonzero) digits is 50164531200, while the sum is 87.

The spelling of 578368968656820 in words is "five hundred seventy-eight trillion, three hundred sixty-eight billion, nine hundred sixty-eight million, six hundred fifty-six thousand, eight hundred twenty".