208368512675 has 72 divisors (see below), whose sum is σ = 282986887680. Its totient is φ = 151764840000.

The previous prime is 208368512669. The next prime is 208368512699. The reversal of 208368512675 is 576215863802.

208368512675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 456474²-1.

It is a de Polignac number, because none of the positive numbers 2^k-208368512675 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 68926214 + ... + 68929236.

It is an arithmetic number, because the mean of its divisors is an integer number (3930373440).

Almost surely, 2^208368512675 is an apocalyptic number.

208368512675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

208368512675 is a deficient number, since it is larger than the sum of its proper divisors (74618375005).

208368512675 is a wasteful number, since it uses less digits than its factorization.

208368512675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 208368512675 in words is "two hundred eight billion, three hundred sixty-eight million, five hundred twelve thousand, six hundred seventy-five".