577968868 has 6 divisors (see below), whose sum is σ = 1011445526. Its totient is φ = 288984432.

The previous prime is 577968821. The next prime is 577968893. The reversal of 577968868 is 868869775.

It can be written as a sum of positive squares in only one way, i.e., 312865344 + 265103524 = 17688^2 + 16282^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72246105 + ... + 72246112.

Almost surely, 2^577968868 is an apocalyptic number.

It is an amenable number.

577968868 is a deficient number, since it is larger than the sum of its proper divisors (433476658).

577968868 is a wasteful number, since it uses less digits than its factorization.

577968868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144492221 (or 144492219 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The square root of 577968868 is about 24040.9830913796. The cubic root of 577968868 is about 832.9804627955.

It can be divided in two parts, 5779 and 68868, that added together give a palindrome (74647).

The spelling of 577968868 in words is "five hundred seventy-seven million, nine hundred sixty-eight thousand, eight hundred sixty-eight".