8745857 has 2 divisors, whose sum is σ = 8745858. Its totient is φ = 8745856.

The previous prime is 8745829. The next prime is 8745881. The reversal of 8745857 is 7585478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8737936 + 7921 = 2956^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 8745857 - 2¹⁰ = 8744833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8745817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372928 + 4372929.

It is an arithmetic number, because the mean of its divisors is an integer number (4372929).

Almost surely, 2^8745857 is an apocalyptic number.

It is an amenable number.

8745857 is a deficient number, since it is larger than the sum of its proper divisors (1).

8745857 is an equidigital number, since it uses as much as digits as its factorization.

8745857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313600, while the sum is 44.

The square root of 8745857 is about 2957.3395138198. The cubic root of 8745857 is about 206.0317370275.

The spelling of 8745857 in words is "eight million, seven hundred forty-five thousand, eight hundred fifty-seven".