208872516 has 12 divisors (see below), whose sum is σ = 487369232. Its totient is φ = 69624168.

The previous prime is 208872481. The next prime is 208872527. The reversal of 208872516 is 615278802.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8703010 + ... + 8703033.

Almost surely, 2^208872516 is an apocalyptic number.

It is an amenable number.

208872516 is an abundant number, since it is smaller than the sum of its proper divisors (278496716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208872516 is a wasteful number, since it uses less digits than its factorization.

208872516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17406050 (or 17406048 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 208872516 is about 14452.4224959001. The cubic root of 208872516 is about 593.3265275770.

The spelling of 208872516 in words is "two hundred eight million, eight hundred seventy-two thousand, five hundred sixteen".