85885826287 has 2 divisors, whose sum is σ = 85885826288. Its totient is φ = 85885826286.

The previous prime is 85885826267. The next prime is 85885826321. The reversal of 85885826287 is 78262858858.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85885826287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85885826227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42942913143 + 42942913144.

It is an arithmetic number, because the mean of its divisors is an integer number (42942913144).

Almost surely, 2^85885826287 is an apocalyptic number.

85885826287 is a deficient number, since it is larger than the sum of its proper divisors (1).

85885826287 is an equidigital number, since it uses as much as digits as its factorization.

85885826287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137625600, while the sum is 67.

The spelling of 85885826287 in words is "eighty-five billion, eight hundred eighty-five million, eight hundred twenty-six thousand, two hundred eighty-seven".