208728080822 has 8 divisors (see below), whose sum is σ = 313102402896. Its totient is φ = 104360613192.

The previous prime is 208728080819. The next prime is 208728080833. The reversal of 208728080822 is 228080827802.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636793 + ... + 1759700.

It is an arithmetic number, because the mean of its divisors is an integer number (39137800362).

Almost surely, 2^208728080822 is an apocalyptic number.

208728080822 is a deficient number, since it is larger than the sum of its proper divisors (104374322074).

208728080822 is a wasteful number, since it uses less digits than its factorization.

208728080822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427222.

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 208728080822 in words is "two hundred eight billion, seven hundred twenty-eight million, eighty thousand, eight hundred twenty-two".