858243107 has 2 divisors, whose sum is σ = 858243108. Its totient is φ = 858243106.

The previous prime is 858243017. The next prime is 858243121. The reversal of 858243107 is 701342858.

Together with previous prime (858243017) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 858243107 - 2¹⁰ = 858242083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (858243307) 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, 429121553 + 429121554.

It is an arithmetic number, because the mean of its divisors is an integer number (429121554).

Almost surely, 2^858243107 is an apocalyptic number.

858243107 is a deficient number, since it is larger than the sum of its proper divisors (1).

858243107 is an equidigital number, since it uses as much as digits as its factorization.

858243107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 858243107 is about 29295.7865059124. The cubic root of 858243107 is about 950.3205223171.

The spelling of 858243107 in words is "eight hundred fifty-eight million, two hundred forty-three thousand, one hundred seven".