204788713 has 4 divisors (see below), whose sum is σ = 204918228. Its totient is φ = 204659200.

The previous prime is 204788687. The next prime is 204788719. The reversal of 204788713 is 317887402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172843609 + 31945104 = 13147^2 + 5652^2 .

It is a cyclic number.

It is not a de Polignac number, because 204788713 - 2¹⁷ = 204657641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204788719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62356 + ... + 65557.

It is an arithmetic number, because the mean of its divisors is an integer number (51229557).

Almost surely, 2^204788713 is an apocalyptic number.

It is an amenable number.

204788713 is a deficient number, since it is larger than the sum of its proper divisors (129515).

204788713 is a wasteful number, since it uses less digits than its factorization.

204788713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129514.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 204788713 is about 14310.4406990141. The cubic root of 204788713 is about 589.4342110253.

The spelling of 204788713 in words is "two hundred four million, seven hundred eighty-eight thousand, seven hundred thirteen".