85851212260 has 96 divisors (see below), whose sum is σ = 201499208064. Its totient is φ = 30455040000.

The previous prime is 85851212231. The next prime is 85851212261. The reversal of 85851212260 is 6221215858.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (85851212261) 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 31 ways as a sum of consecutive naturals, for example, 8329110 + ... + 8339410.

It is an arithmetic number, because the mean of its divisors is an integer number (2098950084).

Almost surely, 2^85851212260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85851212260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100749604032).

85851212260 is an abundant number, since it is smaller than the sum of its proper divisors (115647995804).

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

85851212260 is a wasteful number, since it uses less digits than its factorization.

85851212260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11245 (or 11243 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 85851212260 in words is "eighty-five billion, eight hundred fifty-one million, two hundred twelve thousand, two hundred sixty".