577027008666 has 12 divisors (see below), whose sum is σ = 1250225185482. Its totient is φ = 192342336216.

The previous prime is 577027008647. The next prime is 577027008673. The reversal of 577027008666 is 666800720775.

577027008666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 573465425625 + 3561583041 = 757275^2 + 59679^2 .

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, 16028528001 + ... + 16028528036.

Almost surely, 2^577027008666 is an apocalyptic number.

577027008666 is an abundant number, since it is smaller than the sum of its proper divisors (673198176816).

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

577027008666 is a wasteful number, since it uses less digits than its factorization.

577027008666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32057056045 (or 32057056042 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 577027008666 in words is "five hundred seventy-seven billion, twenty-seven million, eight thousand, six hundred sixty-six".