9488876788861 has 2 divisors, whose sum is σ = 9488876788862. Its totient is φ = 9488876788860.

The previous prime is 9488876788849. The next prime is 9488876788889. The reversal of 9488876788861 is 1688876788849.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7257064883236 + 2231811905625 = 2693894^2 + 1493925^2 .

It is a cyclic number.

It is not a de Polignac number, because 9488876788861 - 2³⁵ = 9454517050493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9488876788361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4744438394430 + 4744438394431.

It is an arithmetic number, because the mean of its divisors is an integer number (4744438394431).

Almost surely, 2^{9488876788861} is an apocalyptic number.

It is an amenable number.

9488876788861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9488876788861 is an equidigital number, since it uses as much as digits as its factorization.

9488876788861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16647192576, while the sum is 88.

The spelling of 9488876788861 in words is "nine trillion, four hundred eighty-eight billion, eight hundred seventy-six million, seven hundred eighty-eight thousand, eight hundred sixty-one".