85865512562885 has 32 divisors (see below), whose sum is σ = 114233705326080. Its totient is φ = 61437747571200.

The previous prime is 85865512562873. The next prime is 85865512562959. The reversal of 85865512562885 is 58826521556858.

It is not a de Polignac number, because 85865512562885 - 2¹⁴ = 85865512546501 is a prime.

It is a super-2 number, since 2×85865512562885² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33942602 + ... + 36384491.

It is an arithmetic number, because the mean of its divisors is an integer number (3569803291440).

Almost surely, 2^{85865512562885} is an apocalyptic number.

It is an amenable number.

85865512562885 is a deficient number, since it is larger than the sum of its proper divisors (28368192763195).

85865512562885 is a wasteful number, since it uses less digits than its factorization.

85865512562885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70327469.

The product of its digits is 1843200000, while the sum is 74.

The spelling of 85865512562885 in words is "eighty-five trillion, eight hundred sixty-five billion, five hundred twelve million, five hundred sixty-two thousand, eight hundred eighty-five".