204076928947 has 4 divisors (see below), whose sum is σ = 204086932120. Its totient is φ = 204066925776.

The previous prime is 204076928933. The next prime is 204076928963. The reversal of 204076928947 is 749829670402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749829670402 = 2 ⋅374914835201.

It is a cyclic number.

It is not a de Polignac number, because 204076928947 - 2³¹ = 201929445299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204076928891 and 204076928900.

It is not an unprimeable number, because it can be changed into a prime (204076928977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4970922 + ... + 5011807.

It is an arithmetic number, because the mean of its divisors is an integer number (51021733030).

Almost surely, 2^204076928947 is an apocalyptic number.

204076928947 is a deficient number, since it is larger than the sum of its proper divisors (10003173).

204076928947 is an equidigital number, since it uses as much as digits as its factorization.

204076928947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003172.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 204076928947 in words is "two hundred four billion, seventy-six million, nine hundred twenty-eight thousand, nine hundred forty-seven".