857304011 has 2 divisors, whose sum is σ = 857304012. Its totient is φ = 857304010.

The previous prime is 857303989. The next prime is 857304013. The reversal of 857304011 is 110403758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 857304011 - 2²² = 853109707 is a prime.

Together with 857304013, 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 (857304013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428652005 + 428652006.

It is an arithmetic number, because the mean of its divisors is an integer number (428652006).

Almost surely, 2^857304011 is an apocalyptic number.

857304011 is a deficient number, since it is larger than the sum of its proper divisors (1).

857304011 is an equidigital number, since it uses as much as digits as its factorization.

857304011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 857304011 is about 29279.7542851712. The cubic root of 857304011 is about 949.9737798857.

Adding to 857304011 its reverse (110403758), we get a palindrome (967707769).

The spelling of 857304011 in words is "eight hundred fifty-seven million, three hundred four thousand, eleven".