848478874961 has 2 divisors, whose sum is σ = 848478874962. Its totient is φ = 848478874960.

The previous prime is 848478874843. The next prime is 848478874963. The reversal of 848478874961 is 169478874848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465758476225 + 382720398736 = 682465^2 + 618644^2 .

It is a cyclic number.

It is not a de Polignac number, because 848478874961 - 2¹⁰ = 848478873937 is a prime.

It is a Sophie Germain prime.

Together with 848478874963, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (848478874963) 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, 424239437480 + 424239437481.

It is an arithmetic number, because the mean of its divisors is an integer number (424239437481).

Almost surely, 2^848478874961 is an apocalyptic number.

It is an amenable number.

848478874961 is a deficient number, since it is larger than the sum of its proper divisors (1).

848478874961 is an equidigital number, since it uses as much as digits as its factorization.

848478874961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 693633024, while the sum is 74.

The spelling of 848478874961 in words is "eight hundred forty-eight billion, four hundred seventy-eight million, eight hundred seventy-four thousand, nine hundred sixty-one".