204030787 has 8 divisors (see below), whose sum is σ = 219575232. Its totient is φ = 188880000.

The previous prime is 204030773. The next prime is 204030811. The reversal of 204030787 is 787030402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204030787 - 2¹⁵ = 203998019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204030737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97339 + ... + 99412.

It is an arithmetic number, because the mean of its divisors is an integer number (27446904).

Almost surely, 2^204030787 is an apocalyptic number.

204030787 is a deficient number, since it is larger than the sum of its proper divisors (15544445).

204030787 is a wasteful number, since it uses less digits than its factorization.

204030787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196829.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 204030787 is about 14283.9345769994. The cubic root of 204030787 is about 588.7061438987.

The spelling of 204030787 in words is "two hundred four million, thirty thousand, seven hundred eighty-seven".