578716212868 has 6 divisors (see below), whose sum is σ = 1012753372526. Its totient is φ = 289358106432.

The previous prime is 578716212863. The next prime is 578716212869. The reversal of 578716212868 is 868212617875.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 404900597124 + 173815615744 = 636318^2 + 416912^2 .

It is not an unprimeable number, because it can be changed into a prime (578716212863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72339526605 + ... + 72339526612.

Almost surely, 2^578716212868 is an apocalyptic number.

It is an amenable number.

578716212868 is a deficient number, since it is larger than the sum of its proper divisors (434037159658).

578716212868 is a wasteful number, since it uses less digits than its factorization.

578716212868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144679053221 (or 144679053219 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 61.

The spelling of 578716212868 in words is "five hundred seventy-eight billion, seven hundred sixteen million, two hundred twelve thousand, eight hundred sixty-eight".