857775119 has 2 divisors, whose sum is σ = 857775120. Its totient is φ = 857775118.

The previous prime is 857775101. The next prime is 857775157. The reversal of 857775119 is 911577758.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-857775119 is a prime.

It is a super-2 number, since 2×857775119² = 1471556309550928322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857775169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428887559 + 428887560.

It is an arithmetic number, because the mean of its divisors is an integer number (428887560).

Almost surely, 2^857775119 is an apocalyptic number.

857775119 is a deficient number, since it is larger than the sum of its proper divisors (1).

857775119 is an equidigital number, since it uses as much as digits as its factorization.

857775119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 50.

The square root of 857775119 is about 29287.7981248164. The cubic root of 857775119 is about 950.1477587345.

The spelling of 857775119 in words is "eight hundred fifty-seven million, seven hundred seventy-five thousand, one hundred nineteen".