85126327818 has 32 divisors (see below), whose sum is σ = 199320186240. Its totient is φ = 23728592640.

The previous prime is 85126327813. The next prime is 85126327843. The reversal of 85126327818 is 81872362158.

It is a super-2 number, since 2×85126327818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85126327813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24715563 + ... + 24719006.

It is an arithmetic number, because the mean of its divisors is an integer number (6228755820).

Almost surely, 2^85126327818 is an apocalyptic number.

85126327818 is an abundant number, since it is smaller than the sum of its proper divisors (114193858422).

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

85126327818 is a wasteful number, since it uses less digits than its factorization.

85126327818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49434622.

The product of its digits is 1290240, while the sum is 51.

The spelling of 85126327818 in words is "eighty-five billion, one hundred twenty-six million, three hundred twenty-seven thousand, eight hundred eighteen".