82852194221 has 8 divisors (see below), whose sum is σ = 84636731520. Its totient is φ = 81068562208.

The previous prime is 82852194209. The next prime is 82852194239. The reversal of 82852194221 is 12249125828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82852194221 - 2¹⁰ = 82852193197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82852194121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39671 + ... + 408996.

It is an arithmetic number, because the mean of its divisors is an integer number (10579591440).

Almost surely, 2^82852194221 is an apocalyptic number.

It is an amenable number.

82852194221 is a deficient number, since it is larger than the sum of its proper divisors (1784537299).

82852194221 is a wasteful number, since it uses less digits than its factorization.

82852194221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452643.

The product of its digits is 184320, while the sum is 44.

The spelling of 82852194221 in words is "eighty-two billion, eight hundred fifty-two million, one hundred ninety-four thousand, two hundred twenty-one".