204758883668 has 12 divisors (see below), whose sum is σ = 358529706612. Its totient is φ = 102321824640.

The previous prime is 204758883613. The next prime is 204758883677. The reversal of 204758883668 is 866388857402.

It can be written as a sum of positive squares in 2 ways, for example, as 104718254404 + 100040629264 = 323602^2 + 316292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14396303 + ... + 14410518.

It is an arithmetic number, because the mean of its divisors is an integer number (29877475551).

Almost surely, 2^204758883668 is an apocalyptic number.

It is an amenable number.

204758883668 is a deficient number, since it is larger than the sum of its proper divisors (153770822944).

204758883668 is a wasteful number, since it uses less digits than its factorization.

204758883668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28808602 (or 28808600 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 65.

The spelling of 204758883668 in words is "two hundred four billion, seven hundred fifty-eight million, eight hundred eighty-three thousand, six hundred sixty-eight".