208968079 has 4 divisors (see below), whose sum is σ = 209009800. Its totient is φ = 208926360.

The previous prime is 208968059. The next prime is 208968083. The reversal of 208968079 is 970869802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208968079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208968059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12129 + ... + 23770.

It is an arithmetic number, because the mean of its divisors is an integer number (52252450).

Almost surely, 2^208968079 is an apocalyptic number.

208968079 is a deficient number, since it is larger than the sum of its proper divisors (41721).

208968079 is an equidigital number, since it uses as much as digits as its factorization.

208968079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41720.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 208968079 is about 14455.7282417732. The cubic root of 208968079 is about 593.4169996971.

The spelling of 208968079 in words is "two hundred eight million, nine hundred sixty-eight thousand, seventy-nine".