204075987 has 16 divisors (see below), whose sum is σ = 293725440. Its totient is φ = 125646752.

The previous prime is 204075967. The next prime is 204076003. The reversal of 204075987 is 789570402.

It is a cyclic number.

It is not a de Polignac number, because 204075987 - 2¹¹ = 204073939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204075967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48993 + ... + 52994.

It is an arithmetic number, because the mean of its divisors is an integer number (18357840).

Almost surely, 2^204075987 is an apocalyptic number.

204075987 is a deficient number, since it is larger than the sum of its proper divisors (89649453).

204075987 is a wasteful number, since it uses less digits than its factorization.

204075987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102042.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 204075987 is about 14285.5166864906. The cubic root of 204075987 is about 588.7496137321.

The spelling of 204075987 in words is "two hundred four million, seventy-five thousand, nine hundred eighty-seven".