847940816201 has 2 divisors, whose sum is σ = 847940816202. Its totient is φ = 847940816200.

The previous prime is 847940816153. The next prime is 847940816251. The reversal of 847940816201 is 102618049748.

It is an a-pointer prime, because the next prime (847940816251) can be obtained adding 847940816201 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 718502046025 + 129438770176 = 847645^2 + 359776^2 .

It is a cyclic number.

It is not a de Polignac number, because 847940816201 - 2³⁸ = 573062909257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 847940816201.

It is not a weakly prime, because it can be changed into another prime (847940816251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423970408100 + 423970408101.

It is an arithmetic number, because the mean of its divisors is an integer number (423970408101).

Almost surely, 2^847940816201 is an apocalyptic number.

It is an amenable number.

847940816201 is a deficient number, since it is larger than the sum of its proper divisors (1).

847940816201 is an equidigital number, since it uses as much as digits as its factorization.

847940816201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 847940816201 in words is "eight hundred forty-seven billion, nine hundred forty million, eight hundred sixteen thousand, two hundred one".