208688734214 has 16 divisors (see below), whose sum is σ = 316389930768. Its totient is φ = 103228086432.

The previous prime is 208688734201. The next prime is 208688734273. The reversal of 208688734214 is 412437886802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508337 + ... + 822060.

It is an arithmetic number, because the mean of its divisors is an integer number (19774370673).

Almost surely, 2^208688734214 is an apocalyptic number.

208688734214 is a deficient number, since it is larger than the sum of its proper divisors (107701196554).

208688734214 is a wasteful number, since it uses less digits than its factorization.

208688734214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331239.

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 208688734214 in words is "two hundred eight billion, six hundred eighty-eight million, seven hundred thirty-four thousand, two hundred fourteen".