8888861 has 2 divisors, whose sum is σ = 8888862. Its totient is φ = 8888860.

The previous prime is 8888851. The next prime is 8888927. The reversal of 8888861 is 1688888.

8888861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8886361 + 2500 = 2981^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 8888861 - 2¹⁴ = 8872477 is a prime.

It is a Chen prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8888801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444430 + 4444431.

It is an arithmetic number, because the mean of its divisors is an integer number (4444431).

Almost surely, 2^8888861 is an apocalyptic number.

It is an amenable number.

8888861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8888861 is an equidigital number, since it uses as much as digits as its factorization.

8888861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 47.

The square root of 8888861 is about 2981.4192928872. The cubic root of 8888861 is about 207.1486170869.

The spelling of 8888861 in words is "eight million, eight hundred eighty-eight thousand, eight hundred sixty-one".