208675496865 has 32 divisors (see below), whose sum is σ = 373117352832. Its totient is φ = 98708288000.

The previous prime is 208675496851. The next prime is 208675496899. The reversal of 208675496865 is 568694576802.

It is not a de Polignac number, because 208675496865 - 2⁸ = 208675496609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 208675496796 and 208675496805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15416406 + ... + 15429935.

It is an arithmetic number, because the mean of its divisors is an integer number (11659917276).

Almost surely, 2^208675496865 is an apocalyptic number.

It is an amenable number.

208675496865 is a deficient number, since it is larger than the sum of its proper divisors (164441855967).

208675496865 is a wasteful number, since it uses less digits than its factorization.

208675496865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30846401.

The product of its (nonzero) digits is 174182400, while the sum is 66.

The spelling of 208675496865 in words is "two hundred eight billion, six hundred seventy-five million, four hundred ninety-six thousand, eight hundred sixty-five".