85865512562886 has 32 divisors (see below), whose sum is σ = 196309981836288. Its totient is φ = 24527259449280.

The previous prime is 85865512562873. The next prime is 85865512562959. The reversal of 85865512562886 is 68826521556858.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239157655 + ... + 239516418.

It is an arithmetic number, because the mean of its divisors is an integer number (6134686932384).

Almost surely, 2^{85865512562886} is an apocalyptic number.

85865512562886 is an abundant number, since it is smaller than the sum of its proper divisors (110444469273402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85865512562886 is a wasteful number, since it uses less digits than its factorization.

85865512562886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478678356.

The product of its digits is 2211840000, while the sum is 75.

The spelling of 85865512562886 in words is "eighty-five trillion, eight hundred sixty-five billion, five hundred twelve million, five hundred sixty-two thousand, eight hundred eighty-six".