82635223636 has 48 divisors (see below), whose sum is σ = 175024886400. Its totient is φ = 33325636608.

The previous prime is 82635223621. The next prime is 82635223637. The reversal of 82635223636 is 63632253628.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82635223637) 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, 3214000 + ... + 3239608.

It is an arithmetic number, because the mean of its divisors is an integer number (3646351800).

Almost surely, 2^82635223636 is an apocalyptic number.

It is an amenable number.

82635223636 is an abundant number, since it is smaller than the sum of its proper divisors (92389662764).

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

82635223636 is a wasteful number, since it uses less digits than its factorization.

82635223636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32416 (or 32414 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

The spelling of 82635223636 in words is "eighty-two billion, six hundred thirty-five million, two hundred twenty-three thousand, six hundred thirty-six".