204268679 has 4 divisors (see below), whose sum is σ = 207730920. Its totient is φ = 200806440.

The previous prime is 204268667. The next prime is 204268697. The reversal of 204268679 is 976862402.

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 204268679 - 2²⁴ = 187491463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204268609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731032 + ... + 1731149.

It is an arithmetic number, because the mean of its divisors is an integer number (51932730).

Almost surely, 2^204268679 is an apocalyptic number.

204268679 is a deficient number, since it is larger than the sum of its proper divisors (3462241).

204268679 is an equidigital number, since it uses as much as digits as its factorization.

204268679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462240.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 204268679 is about 14292.2594085050. The cubic root of 204268679 is about 588.9348578899.

The spelling of 204268679 in words is "two hundred four million, two hundred sixty-eight thousand, six hundred seventy-nine".