208214740847 has 2 divisors, whose sum is σ = 208214740848. Its totient is φ = 208214740846.

The previous prime is 208214740823. The next prime is 208214740889. The reversal of 208214740847 is 748047412802.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208214740847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (208214740807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104107370423 + 104107370424.

It is an arithmetic number, because the mean of its divisors is an integer number (104107370424).

Almost surely, 2^208214740847 is an apocalyptic number.

208214740847 is a deficient number, since it is larger than the sum of its proper divisors (1).

208214740847 is an equidigital number, since it uses as much as digits as its factorization.

208214740847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 802816, while the sum is 47.

The spelling of 208214740847 in words is "two hundred eight billion, two hundred fourteen million, seven hundred forty thousand, eight hundred forty-seven".