82001970338 has 54 divisors (see below), whose sum is σ = 134258085171. Its totient is φ = 37555668864.

The previous prime is 82001970313. The next prime is 82001970341. The reversal of 82001970338 is 83307910028.

It can be written as a sum of positive squares in 5 ways, for example, as 35943230569 + 46058739769 = 189587^2 + 214613^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=202487.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82001970295 and 82001970304.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 296035856 + ... + 296036132.

Almost surely, 2^82001970338 is an apocalyptic number.

82001970338 is a deficient number, since it is larger than the sum of its proper divisors (52256114833).

82001970338 is an equidigital number, since it uses as much as digits as its factorization.

82001970338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 82001970338 in words is "eighty-two billion, one million, nine hundred seventy thousand, three hundred thirty-eight".