82159817289 has 16 divisors (see below), whose sum is σ = 119515613184. Its totient is φ = 49789485200.

The previous prime is 82159817281. The next prime is 82159817353. The reversal of 82159817289 is 98271895128.

It is a cyclic number.

It is not a de Polignac number, because 82159817289 - 2³ = 82159817281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82159817281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298204 + ... + 503234.

It is an arithmetic number, because the mean of its divisors is an integer number (7469725824).

Almost surely, 2^82159817289 is an apocalyptic number.

It is an amenable number.

82159817289 is a deficient number, since it is larger than the sum of its proper divisors (37355795895).

82159817289 is a wasteful number, since it uses less digits than its factorization.

82159817289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217188.

The product of its digits is 5806080, while the sum is 60.

The spelling of 82159817289 in words is "eighty-two billion, one hundred fifty-nine million, eight hundred seventeen thousand, two hundred eighty-nine".