82064831764609 has 16 divisors (see below), whose sum is σ = 87112205021952. Its totient is φ = 77042030300928.

The previous prime is 82064831764579. The next prime is 82064831764621. The reversal of 82064831764609 is 90646713846028.

It is a cyclic number.

It is not a de Polignac number, because 82064831764609 - 2¹⁹ = 82064831240321 is a prime.

It is a super-2 number, since 2×82064831764609² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82064832764609) 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, 19260802 + ... + 23132404.

It is an arithmetic number, because the mean of its divisors is an integer number (5444512813872).

Almost surely, 2^{82064831764609} is an apocalyptic number.

It is an amenable number.

82064831764609 is a deficient number, since it is larger than the sum of its proper divisors (5047373257343).

82064831764609 is a wasteful number, since it uses less digits than its factorization.

82064831764609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874776.

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 82064831764609 in words is "eighty-two trillion, sixty-four billion, eight hundred thirty-one million, seven hundred sixty-four thousand, six hundred nine".