82021517832602 has 8 divisors (see below), whose sum is σ = 123032370892500. Its totient is φ = 41010727535104.

The previous prime is 82021517832601. The next prime is 82021517832607. The reversal of 82021517832602 is 20623871512028.

It can be written as a sum of positive squares in 2 ways, for example, as 43092016931401 + 38929500901201 = 6564451^2 + 6239351^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82021517832601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12274727 + ... + 17740122.

Almost surely, 2^{82021517832602} is an apocalyptic number.

82021517832602 is a deficient number, since it is larger than the sum of its proper divisors (41010853059898).

82021517832602 is a wasteful number, since it uses less digits than its factorization.

82021517832602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31381200.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 82021517832602 in words is "eighty-two trillion, twenty-one billion, five hundred seventeen million, eight hundred thirty-two thousand, six hundred two".