85266826381959 has 16 divisors (see below), whose sum is σ = 120409794129888. Its totient is φ = 53486043558912.

The previous prime is 85266826381951. The next prime is 85266826381987. The reversal of 85266826381959 is 95918362866258.

It is not a de Polignac number, because 85266826381959 - 2³ = 85266826381951 is a prime.

It is a super-2 number, since 2×85266826381959² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85266826381951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229660342 + ... + 230031315.

It is an arithmetic number, because the mean of its divisors is an integer number (7525612133118).

Almost surely, 2^{85266826381959} is an apocalyptic number.

85266826381959 is a deficient number, since it is larger than the sum of its proper divisors (35142967747929).

85266826381959 is a wasteful number, since it uses less digits than its factorization.

85266826381959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459695314.

The product of its digits is 2687385600, while the sum is 78.

The spelling of 85266826381959 in words is "eighty-five trillion, two hundred sixty-six billion, eight hundred twenty-six million, three hundred eighty-one thousand, nine hundred fifty-nine".