85466866458 has 32 divisors (see below), whose sum is σ = 174182571072. Its totient is φ = 27947628800.

The previous prime is 85466866453. The next prime is 85466866487.

85466866458 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (85466866453) 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, 3233938 + ... + 3260258.

It is an arithmetic number, because the mean of its divisors is an integer number (5443205346).

Almost surely, 2^85466866458 is an apocalyptic number.

85466866458 is an abundant number, since it is smaller than the sum of its proper divisors (88715704614).

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

85466866458 is a wasteful number, since it uses less digits than its factorization.

85466866458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36590.

The product of its digits is 265420800, while the sum is 66.

The spelling of 85466866458 in words is "eighty-five billion, four hundred sixty-six million, eight hundred sixty-six thousand, four hundred fifty-eight".