208858810028147 has 2 divisors, whose sum is σ = 208858810028148. Its totient is φ = 208858810028146.

The previous prime is 208858810028069. The next prime is 208858810028161. The reversal of 208858810028147 is 741820018858802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208858810028147 - 2¹⁶ = 208858809962611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208858810028147.

It is not a weakly prime, because it can be changed into another prime (208858810828147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104429405014073 + 104429405014074.

It is an arithmetic number, because the mean of its divisors is an integer number (104429405014074).

Almost surely, 2^{208858810028147} is an apocalyptic number.

208858810028147 is a deficient number, since it is larger than the sum of its proper divisors (1).

208858810028147 is an equidigital number, since it uses as much as digits as its factorization.

208858810028147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18350080, while the sum is 62.

The spelling of 208858810028147 in words is "two hundred eight trillion, eight hundred fifty-eight billion, eight hundred ten million, twenty-eight thousand, one hundred forty-seven".