8112857 has 2 divisors, whose sum is σ = 8112858. Its totient is φ = 8112856.

The previous prime is 8112851. The next prime is 8112911. The reversal of 8112857 is 7582118.

It is a happy number.

8112857 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., 6911641 + 1201216 = 2629^2 + 1096^2 .

It is a cyclic number.

It is not a de Polignac number, because 8112857 - 2²² = 3918553 is a prime.

It is not a weakly prime, because it can be changed into another prime (8112851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056428 + 4056429.

It is an arithmetic number, because the mean of its divisors is an integer number (4056429).

Almost surely, 2^8112857 is an apocalyptic number.

It is an amenable number.

8112857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8112857 is an equidigital number, since it uses as much as digits as its factorization.

8112857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 32.

The square root of 8112857 is about 2848.3077432047. The cubic root of 8112857 is about 200.9360868714.

The spelling of 8112857 in words is "eight million, one hundred twelve thousand, eight hundred fifty-seven".