204767977312 has 96 divisors (see below), whose sum is σ = 442044231552. Its totient is φ = 92985575424.

The previous prime is 204767977301. The next prime is 204767977339. The reversal of 204767977312 is 213779767402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888803 + ... + 1994269.

It is an arithmetic number, because the mean of its divisors is an integer number (4604627412).

Almost surely, 2^204767977312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204767977312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221022115776).

204767977312 is an abundant number, since it is smaller than the sum of its proper divisors (237276254240).

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

204767977312 is a wasteful number, since it uses less digits than its factorization.

204767977312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105620 (or 105612 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 55.

The spelling of 204767977312 in words is "two hundred four billion, seven hundred sixty-seven million, nine hundred seventy-seven thousand, three hundred twelve".