82045638588 has 24 divisors (see below), whose sum is σ = 192614305408. Its totient is φ = 27180763056.

The previous prime is 82045638581. The next prime is 82045638607. The reversal of 82045638588 is 88583654028.

It is a super-2 number, since 2×82045638588² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82045638581) 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 7 ways as a sum of consecutive naturals, for example, 20970856 + ... + 20974767.

Almost surely, 2^82045638588 is an apocalyptic number.

It is an amenable number.

82045638588 is an abundant number, since it is smaller than the sum of its proper divisors (110568666820).

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

82045638588 is a wasteful number, since it uses less digits than its factorization.

82045638588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41945793 (or 41945791 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 82045638588 in words is "eighty-two billion, forty-five million, six hundred thirty-eight thousand, five hundred eighty-eight".