10857857 has 2 divisors, whose sum is σ = 10857858. Its totient is φ = 10857856.

The previous prime is 10857853. The next prime is 10857859. The reversal of 10857857 is 75875801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8473921 + 2383936 = 2911^2 + 1544^2 .

It is an emirp because it is prime and its reverse (75875801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10857857 - 2² = 10857853 is a prime.

Together with 10857859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10857851) 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, 5428928 + 5428929.

It is an arithmetic number, because the mean of its divisors is an integer number (5428929).

Almost surely, 2^10857857 is an apocalyptic number.

It is an amenable number.

10857857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10857857 is an equidigital number, since it uses as much as digits as its factorization.

10857857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 10857857 is about 3295.1262494782. The cubic root of 10857857 is about 221.4359038452.

The spelling of 10857857 in words is "ten million, eight hundred fifty-seven thousand, eight hundred fifty-seven".