206872568886 has 8 divisors (see below), whose sum is σ = 413745137784. Its totient is φ = 68957522960.

The previous prime is 206872568867. The next prime is 206872568941. The reversal of 206872568886 is 688865278602.

It is a happy number.

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

206872568886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17239380735 + ... + 17239380746.

It is an arithmetic number, because the mean of its divisors is an integer number (51718142223).

Almost surely, 2^206872568886 is an apocalyptic number.

206872568886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206872568886 is a wasteful number, since it uses less digits than its factorization.

206872568886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34478761486.

The product of its (nonzero) digits is 123863040, while the sum is 66.

The spelling of 206872568886 in words is "two hundred six billion, eight hundred seventy-two million, five hundred sixty-eight thousand, eight hundred eighty-six".