85458404218 has 32 divisors (see below), whose sum is σ = 148094775360. Its totient is φ = 36552879360.

The previous prime is 85458404209. The next prime is 85458404219. The reversal of 85458404218 is 81240485458.

It is not an unprimeable number, because it can be changed into a prime (85458404219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311305 + ... + 2347987.

It is an arithmetic number, because the mean of its divisors is an integer number (4627961730).

Almost surely, 2^85458404218 is an apocalyptic number.

85458404218 is a deficient number, since it is larger than the sum of its proper divisors (62636371142).

85458404218 is a wasteful number, since it uses less digits than its factorization.

85458404218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42942.

The product of its (nonzero) digits is 1638400, while the sum is 49.

The spelling of 85458404218 in words is "eighty-five billion, four hundred fifty-eight million, four hundred four thousand, two hundred eighteen".