884838426161 has 2 divisors, whose sum is σ = 884838426162. Its totient is φ = 884838426160.

The previous prime is 884838426127. The next prime is 884838426187. The reversal of 884838426161 is 161624838488.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701263882225 + 183574543936 = 837415^2 + 428456^2 .

It is a cyclic number.

It is not a de Polignac number, because 884838426161 - 2³⁴ = 867658556977 is a prime.

It is a super-2 number, since 2×884838426161² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 884838426161.

It is not a weakly prime, because it can be changed into another prime (884838426191) 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, 442419213080 + 442419213081.

It is an arithmetic number, because the mean of its divisors is an integer number (442419213081).

Almost surely, 2^884838426161 is an apocalyptic number.

It is an amenable number.

884838426161 is a deficient number, since it is larger than the sum of its proper divisors (1).

884838426161 is an equidigital number, since it uses as much as digits as its factorization.

884838426161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14155776, while the sum is 59.

The spelling of 884838426161 in words is "eight hundred eighty-four billion, eight hundred thirty-eight million, four hundred twenty-six thousand, one hundred sixty-one".