208022800973 has 8 divisors (see below), whose sum is σ = 229488569016. Its totient is φ = 187337606400.

The previous prime is 208022800903. The next prime is 208022801011. The reversal of 208022800973 is 379008220802.

It can be written as a sum of positive squares in 4 ways, for example, as 244547044 + 207778253929 = 15638^2 + 455827^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208022800973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208022800973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208022800903) 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, 195142808 + ... + 195143873.

It is an arithmetic number, because the mean of its divisors is an integer number (28686071127).

Almost surely, 2^208022800973 is an apocalyptic number.

It is an amenable number.

208022800973 is a deficient number, since it is larger than the sum of its proper divisors (21465768043).

208022800973 is a wasteful number, since it uses less digits than its factorization.

208022800973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390286735.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 208022800973 in words is "two hundred eight billion, twenty-two million, eight hundred thousand, nine hundred seventy-three".