208800889 has 4 divisors (see below), whose sum is σ = 227782800. Its totient is φ = 189818980.

The previous prime is 208800887. The next prime is 208800901. The reversal of 208800889 is 988008802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 208800889 - 2¹ = 208800887 is a prime.

It is a super-3 number, since 3×208800889³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208800887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9490939 + ... + 9490960.

It is an arithmetic number, because the mean of its divisors is an integer number (56945700).

Almost surely, 2^208800889 is an apocalyptic number.

It is an amenable number.

208800889 is a deficient number, since it is larger than the sum of its proper divisors (18981911).

208800889 is a wasteful number, since it uses less digits than its factorization.

208800889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18981910.

The product of its (nonzero) digits is 73728, while the sum is 43.

The square root of 208800889 is about 14449.9442559478. The cubic root of 208800889 is about 593.2586982318.

The spelling of 208800889 in words is "two hundred eight million, eight hundred thousand, eight hundred eighty-nine".