857322673 has 2 divisors, whose sum is σ = 857322674. Its totient is φ = 857322672.

The previous prime is 857322667. The next prime is 857322689. The reversal of 857322673 is 376223758.

857322673 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 can be written as a sum of positive squares in only one way, i.e., 762201664 + 95121009 = 27608^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 857322673 - 2²¹ = 855225521 is a prime.

It is not a weakly prime, because it can be changed into another prime (857322623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428661336 + 428661337.

It is an arithmetic number, because the mean of its divisors is an integer number (428661337).

Almost surely, 2^857322673 is an apocalyptic number.

It is an amenable number.

857322673 is a deficient number, since it is larger than the sum of its proper divisors (1).

857322673 is an equidigital number, since it uses as much as digits as its factorization.

857322673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 43.

The square root of 857322673 is about 29280.0729678053. The cubic root of 857322673 is about 949.9806729217.

The spelling of 857322673 in words is "eight hundred fifty-seven million, three hundred twenty-two thousand, six hundred seventy-three".