208868788 has 12 divisors (see below), whose sum is σ = 378124740. Its totient is φ = 100833152.

The previous prime is 208868711. The next prime is 208868797. The reversal of 208868788 is 887868802.

It is a happy number.

208868788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 157201444 = 7188^2 + 12538^2 .

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, 900181 + ... + 900412.

It is an arithmetic number, because the mean of its divisors is an integer number (31510395).

Almost surely, 2^208868788 is an apocalyptic number.

It is an amenable number.

208868788 is a deficient number, since it is larger than the sum of its proper divisors (169255952).

208868788 is a wasteful number, since it uses less digits than its factorization.

208868788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800626 (or 1800624 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 55.

The square root of 208868788 is about 14452.2935204071. The cubic root of 208868788 is about 593.3229976177.

It can be divided in two parts, 2088 and 68788, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 208868788 in words is "two hundred eight million, eight hundred sixty-eight thousand, seven hundred eighty-eight".