208117471088 has 40 divisors (see below), whose sum is σ = 404289963072. Its totient is φ = 103784899328.

The previous prime is 208117471069. The next prime is 208117471091. The reversal of 208117471088 is 880174711802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11371481 + ... + 11389767.

Almost surely, 2^208117471088 is an apocalyptic number.

It is an amenable number.

208117471088 is a deficient number, since it is larger than the sum of its proper divisors (196172491984).

208117471088 is a wasteful number, since it uses less digits than its factorization.

208117471088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129 (or 20123 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 47.

The spelling of 208117471088 in words is "two hundred eight billion, one hundred seventeen million, four hundred seventy-one thousand, eighty-eight".