208086079 has 4 divisors (see below), whose sum is σ = 210720160. Its totient is φ = 205452000.

The previous prime is 208086077. The next prime is 208086139. The reversal of 208086079 is 970680802.

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

It is a cyclic number.

It is not a de Polignac number, because 208086079 - 2¹ = 208086077 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 (208086077) 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, 1316922 + ... + 1317079.

It is an arithmetic number, because the mean of its divisors is an integer number (52680040).

Almost surely, 2^208086079 is an apocalyptic number.

208086079 is a deficient number, since it is larger than the sum of its proper divisors (2634081).

208086079 is an equidigital number, since it uses as much as digits as its factorization.

208086079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634080.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 208086079 is about 14425.1890455550. The cubic root of 208086079 is about 592.5809359666.

The spelling of 208086079 in words is "two hundred eight million, eighty-six thousand, seventy-nine".