8866457231 has 2 divisors, whose sum is σ = 8866457232. Its totient is φ = 8866457230.

The previous prime is 8866457221. The next prime is 8866457233. The reversal of 8866457231 is 1327546688.

8866457231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8866457231 - 2⁶ = 8866457167 is a prime.

It is a super-2 number, since 2×8866457231² (a number of 21 digits) contains 22 as substring.

Together with 8866457233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8866457231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8866457233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4433228615 + 4433228616.

It is an arithmetic number, because the mean of its divisors is an integer number (4433228616).

Almost surely, 2^8866457231 is an apocalyptic number.

8866457231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8866457231 is an equidigital number, since it uses as much as digits as its factorization.

8866457231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The square root of 8866457231 is about 94161.8671809348. The cubic root of 8866457231 is about 2069.7443600537.

It can be divided in two parts, 8866457 and 231, that added together give a palindrome (8866688).

The spelling of 8866457231 in words is "eight billion, eight hundred sixty-six million, four hundred fifty-seven thousand, two hundred thirty-one".