85854422444 has 24 divisors (see below), whose sum is σ = 172096474368. Its totient is φ = 36711689040.

The previous prime is 85854422441. The next prime is 85854422453. The reversal of 85854422444 is 44422445858.

It is a junction number, because it is equal to n+sod(n) for n = 85854422392 and 85854422401.

It is not an unprimeable number, because it can be changed into a prime (85854422441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3448352 + ... + 3473159.

It is an arithmetic number, because the mean of its divisors is an integer number (7170686432).

Almost surely, 2^85854422444 is an apocalyptic number.

It is an amenable number.

85854422444 is an abundant number, since it is smaller than the sum of its proper divisors (86242051924).

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

85854422444 is a wasteful number, since it uses less digits than its factorization.

85854422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921965 (or 6921963 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 50.

The spelling of 85854422444 in words is "eighty-five billion, eight hundred fifty-four million, four hundred twenty-two thousand, four hundred forty-four".