208317608054 has 8 divisors (see below), whose sum is σ = 312494984208. Its totient is φ = 104152613320.

The previous prime is 208317608011. The next prime is 208317608069. The reversal of 208317608054 is 450806713802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 208317607996 and 208317608014.

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, 3053177 + ... + 3120660.

It is an arithmetic number, because the mean of its divisors is an integer number (39061873026).

Almost surely, 2^208317608054 is an apocalyptic number.

208317608054 is a deficient number, since it is larger than the sum of its proper divisors (104177376154).

208317608054 is a wasteful number, since it uses less digits than its factorization.

208317608054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190710.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 208317608054 in words is "two hundred eight billion, three hundred seventeen million, six hundred eight thousand, fifty-four".