208072079 has 2 divisors, whose sum is σ = 208072080. Its totient is φ = 208072078.

The previous prime is 208072069. The next prime is 208072091. The reversal of 208072079 is 970270802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208072079 - 2⁴ = 208072063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208072069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104036039 + 104036040.

It is an arithmetic number, because the mean of its divisors is an integer number (104036040).

Almost surely, 2^208072079 is an apocalyptic number.

208072079 is a deficient number, since it is larger than the sum of its proper divisors (1).

208072079 is an equidigital number, since it uses as much as digits as its factorization.

208072079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 208072079 is about 14424.7037751213. The cubic root of 208072079 is about 592.5676460832.

The spelling of 208072079 in words is "two hundred eight million, seventy-two thousand, seventy-nine".