858144112185287 has 2 divisors, whose sum is σ = 858144112185288. Its totient is φ = 858144112185286.

The previous prime is 858144112185133. The next prime is 858144112185377. The reversal of 858144112185287 is 782581211441858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 858144112185287 - 2¹⁰ = 858144112184263 is a prime.

It is a super-2 number, since 2×858144112185287² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858144112188287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429072056092643 + 429072056092644.

It is an arithmetic number, because the mean of its divisors is an integer number (429072056092644).

Almost surely, 2^{858144112185287} is an apocalyptic number.

858144112185287 is a deficient number, since it is larger than the sum of its proper divisors (1).

858144112185287 is an equidigital number, since it uses as much as digits as its factorization.

858144112185287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45875200, while the sum is 65.

The spelling of 858144112185287 in words is "eight hundred fifty-eight trillion, one hundred forty-four billion, one hundred twelve million, one hundred eighty-five thousand, two hundred eighty-seven".