577463494666 has 12 divisors (see below), whose sum is σ = 876757086162. Its totient is φ = 285253044776.

The previous prime is 577463494607. The next prime is 577463494759. The reversal of 577463494666 is 666494364775.

It can be written as a sum of positive squares in only one way, i.e., 574874822025 + 2588672641 = 758205^2 + 50879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20942221 + ... + 20969776.

Almost surely, 2^577463494666 is an apocalyptic number.

577463494666 is a deficient number, since it is larger than the sum of its proper divisors (299293591496).

577463494666 is an equidigital number, since it uses as much as digits as its factorization.

577463494666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41912165 (or 41912082 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 67.

The spelling of 577463494666 in words is "five hundred seventy-seven billion, four hundred sixty-three million, four hundred ninety-four thousand, six hundred sixty-six".