82065335385 has 16 divisors (see below), whose sum is σ = 143241312960. Its totient is φ = 39789253440.

The previous prime is 82065335377. The next prime is 82065335389. The reversal of 82065335385 is 58353356028.

It is not a de Polignac number, because 82065335385 - 2³ = 82065335377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82065335389) 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, 248682670 + ... + 248682999.

It is an arithmetic number, because the mean of its divisors is an integer number (8952582060).

Almost surely, 2^82065335385 is an apocalyptic number.

It is an amenable number.

82065335385 is a deficient number, since it is larger than the sum of its proper divisors (61175977575).

82065335385 is a wasteful number, since it uses less digits than its factorization.

82065335385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497365688.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 82065335385 in words is "eighty-two billion, sixty-five million, three hundred thirty-five thousand, three hundred eighty-five".