82985453312 has 36 divisors (see below), whose sum is σ = 165731710200. Its totient is φ = 41471443968.

The previous prime is 82985453297. The next prime is 82985453323. The reversal of 82985453312 is 21335458928.

It is a happy number.

It is a super-2 number, since 2×82985453312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422939 + ... + 587237.

Almost surely, 2^82985453312 is an apocalyptic number.

It is an amenable number.

82985453312 is a deficient number, since it is larger than the sum of its proper divisors (82746256888).

82985453312 is a wasteful number, since it uses less digits than its factorization.

82985453312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166288 (or 166274 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 82985453312 in words is "eighty-two billion, nine hundred eighty-five million, four hundred fifty-three thousand, three hundred twelve".