208012873844 has 48 divisors (see below), whose sum is σ = 368785872000. Its totient is φ = 102655996800.

The previous prime is 208012873787. The next prime is 208012873891. The reversal of 208012873844 is 448378210802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133426337 + ... + 133427895.

It is an arithmetic number, because the mean of its divisors is an integer number (7683039000).

Almost surely, 2^208012873844 is an apocalyptic number.

It is an amenable number.

208012873844 is a deficient number, since it is larger than the sum of its proper divisors (160772998156).

208012873844 is a wasteful number, since it uses less digits than its factorization.

208012873844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 208012873844 in words is "two hundred eight billion, twelve million, eight hundred seventy-three thousand, eight hundred forty-four".