204703987 has 4 divisors (see below), whose sum is σ = 216745416. Its totient is φ = 192662560.

The previous prime is 204703973. The next prime is 204703999. The reversal of 204703987 is 789307402.

204703987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 204703987 - 2¹⁹ = 204179699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204703957) 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, 6020689 + ... + 6020722.

It is an arithmetic number, because the mean of its divisors is an integer number (54186354).

Almost surely, 2^204703987 is an apocalyptic number.

204703987 is a deficient number, since it is larger than the sum of its proper divisors (12041429).

204703987 is a wasteful number, since it uses less digits than its factorization.

204703987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12041428.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 204703987 is about 14307.4801065736. The cubic root of 204703987 is about 589.3529121246.

The spelling of 204703987 in words is "two hundred four million, seven hundred three thousand, nine hundred eighty-seven".