8853688861 has 2 divisors, whose sum is σ = 8853688862. Its totient is φ = 8853688860.

The previous prime is 8853688783. The next prime is 8853688897. The reversal of 8853688861 is 1688863588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5602522500 + 3251166361 = 74850^2 + 57019^2 .

It is a cyclic number.

It is not a de Polignac number, because 8853688861 - 2¹⁵ = 8853656093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8853688861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8853608861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4426844430 + 4426844431.

It is an arithmetic number, because the mean of its divisors is an integer number (4426844431).

Almost surely, 2^8853688861 is an apocalyptic number.

It is an amenable number.

8853688861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8853688861 is an equidigital number, since it uses as much as digits as its factorization.

8853688861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17694720, while the sum is 61.

The square root of 8853688861 is about 94094.0426435170. The cubic root of 8853688861 is about 2068.7503532023.

The spelling of 8853688861 in words is "eight billion, eight hundred fifty-three million, six hundred eighty-eight thousand, eight hundred sixty-one".