857857411 has 2 divisors, whose sum is σ = 857857412. Its totient is φ = 857857410.

The previous prime is 857857397. The next prime is 857857447. The reversal of 857857411 is 114758758.

857857411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857857411 - 2⁵ = 857857379 is a prime.

It is not a weakly prime, because it can be changed into another prime (857857471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428928705 + 428928706.

It is an arithmetic number, because the mean of its divisors is an integer number (428928706).

Almost surely, 2^857857411 is an apocalyptic number.

857857411 is a deficient number, since it is larger than the sum of its proper divisors (1).

857857411 is an equidigital number, since it uses as much as digits as its factorization.

857857411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 313600, while the sum is 46.

The square root of 857857411 is about 29289.2029765236. The cubic root of 857857411 is about 950.1781424009.

The spelling of 857857411 in words is "eight hundred fifty-seven million, eight hundred fifty-seven thousand, four hundred eleven".