82536752621988 has 72 divisors (see below), whose sum is σ = 238440517765632. Its totient is φ = 23581829411712.

The previous prime is 82536752621959. The next prime is 82536752621989. The reversal of 82536752621988 is 88912625763528.

82536752621988 is a `hidden beast` number, since 8 + 2 + 5 + 3 + 6 + 7 + 526 + 2 + 1 + 98 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (82536752621989) 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 23 ways as a sum of consecutive naturals, for example, 75454381 + ... + 76540427.

It is an arithmetic number, because the mean of its divisors is an integer number (3311673857856).

Almost surely, 2^{82536752621988} is an apocalyptic number.

It is an amenable number.

82536752621988 is an abundant number, since it is smaller than the sum of its proper divisors (155903765143644).

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

82536752621988 is a wasteful number, since it uses less digits than its factorization.

82536752621988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387641 (or 1387636 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 72.

The spelling of 82536752621988 in words is "eighty-two trillion, five hundred thirty-six billion, seven hundred fifty-two million, six hundred twenty-one thousand, nine hundred eighty-eight".