208871443086 has 32 divisors (see below), whose sum is σ = 420267294720. Its totient is φ = 69203290464.

The previous prime is 208871443031. The next prime is 208871443129. The reversal of 208871443086 is 680344178802.

208871443086 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 4292851 + ... + 4341233.

It is an arithmetic number, because the mean of its divisors is an integer number (13133352960).

Almost surely, 2^208871443086 is an apocalyptic number.

208871443086 is an abundant number, since it is smaller than the sum of its proper divisors (211395851634).

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

208871443086 is a wasteful number, since it uses less digits than its factorization.

208871443086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52720.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 208871443086 in words is "two hundred eight billion, eight hundred seventy-one million, four hundred forty-three thousand, eighty-six".