85688875871 has 2 divisors, whose sum is σ = 85688875872. Its totient is φ = 85688875870.

The previous prime is 85688875843. The next prime is 85688875891. The reversal of 85688875871 is 17857888658.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85688875871 - 2¹⁸ = 85688613727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85688875795 and 85688875804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85688875891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42844437935 + 42844437936.

It is an arithmetic number, because the mean of its divisors is an integer number (42844437936).

Almost surely, 2^85688875871 is an apocalyptic number.

85688875871 is a deficient number, since it is larger than the sum of its proper divisors (1).

85688875871 is an equidigital number, since it uses as much as digits as its factorization.

85688875871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240844800, while the sum is 71.

It can be divided in two parts, 8568887 and 5871, that added together give a palindrome (8574758).

The spelling of 85688875871 in words is "eighty-five billion, six hundred eighty-eight million, eight hundred seventy-five thousand, eight hundred seventy-one".