208240068884 has 12 divisors (see below), whose sum is σ = 367645078164. Its totient is φ = 103198617984.

The previous prime is 208240068871. The next prime is 208240068937. The reversal of 208240068884 is 488860042802.

It can be written as a sum of positive squares in 2 ways, for example, as 33492660100 + 174747408784 = 183010^2 + 418028^2 .

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, 230353607 + ... + 230354510.

It is an arithmetic number, because the mean of its divisors is an integer number (30637089847).

Almost surely, 2^208240068884 is an apocalyptic number.

It is an amenable number.

208240068884 is a deficient number, since it is larger than the sum of its proper divisors (159405009280).

208240068884 is a wasteful number, since it uses less digits than its factorization.

208240068884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460708234 (or 460708232 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 50.

The spelling of 208240068884 in words is "two hundred eight billion, two hundred forty million, sixty-eight thousand, eight hundred eighty-four".