206803275782 has 16 divisors (see below), whose sum is σ = 313326004992. Its totient is φ = 102361975560.

The previous prime is 206803275773. The next prime is 206803275793. The reversal of 206803275782 is 287572308602.

It is a self number, because there is not a number n which added to its sum of digits gives 206803275782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420857 + ... + 768587.

It is an arithmetic number, because the mean of its divisors is an integer number (19582875312).

Almost surely, 2^206803275782 is an apocalyptic number.

206803275782 is a deficient number, since it is larger than the sum of its proper divisors (106522729210).

206803275782 is a wasteful number, since it uses less digits than its factorization.

206803275782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350723.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 206803275782 in words is "two hundred six billion, eight hundred three million, two hundred seventy-five thousand, seven hundred eighty-two".