8877681339361 has 2 divisors, whose sum is σ = 8877681339362. Its totient is φ = 8877681339360.

The previous prime is 8877681339281. The next prime is 8877681339479. The reversal of 8877681339361 is 1639331867788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628472756961 + 1249208582400 = 2761969^2 + 1117680^2 .

It is a cyclic number.

It is not a de Polignac number, because 8877681339361 - 2¹⁷ = 8877681208289 is a prime.

It is not a weakly prime, because it can be changed into another prime (8877681337361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4438840669680 + 4438840669681.

It is an arithmetic number, because the mean of its divisors is an integer number (4438840669681).

Almost surely, 2^{8877681339361} is an apocalyptic number.

It is an amenable number.

8877681339361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8877681339361 is an equidigital number, since it uses as much as digits as its factorization.

8877681339361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219469824, while the sum is 70.

The spelling of 8877681339361 in words is "eight trillion, eight hundred seventy-seven billion, six hundred eighty-one million, three hundred thirty-nine thousand, three hundred sixty-one".