204860228766 has 16 divisors (see below), whose sum is σ = 416437187088. Its totient is φ = 67167288000.

The previous prime is 204860228761. The next prime is 204860228777. The reversal of 204860228766 is 667822068402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204860228761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279863335 + ... + 279864066.

It is an arithmetic number, because the mean of its divisors is an integer number (26027324193).

Almost surely, 2^204860228766 is an apocalyptic number.

204860228766 is an abundant number, since it is smaller than the sum of its proper divisors (211576958322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204860228766 is a wasteful number, since it uses less digits than its factorization.

204860228766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559727467.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 204860228766 in words is "two hundred four billion, eight hundred sixty million, two hundred twenty-eight thousand, seven hundred sixty-six".