577968866 has 16 divisors (see below), whose sum is σ = 914470560. Its totient is φ = 273208320.

The previous prime is 577968821. The next prime is 577968893. The reversal of 577968866 is 668869775.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 577968799 and 577968808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170 + ... + 34146.

It is an arithmetic number, because the mean of its divisors is an integer number (57154410).

Almost surely, 2^577968866 is an apocalyptic number.

577968866 is a deficient number, since it is larger than the sum of its proper divisors (336501694).

577968866 is a wasteful number, since it uses less digits than its factorization.

577968866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31489.

The product of its digits is 30481920, while the sum is 62.

The square root of 577968866 is about 24040.9830497840. The cubic root of 577968866 is about 832.9804618347.

Subtracting 577968866 from its reverse (668869775), we obtain a palindrome (90900909).

The spelling of 577968866 in words is "five hundred seventy-seven million, nine hundred sixty-eight thousand, eight hundred sixty-six".