82159805607 has 8 divisors (see below), whose sum is σ = 119505171840. Its totient is φ = 49793821560.

The previous prime is 82159805593. The next prime is 82159805627. The reversal of 82159805607 is 70650895128.

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

It is not a de Polignac number, because 82159805607 - 2⁷ = 82159805479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82159805607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82159805627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1244845507 + ... + 1244845572.

It is an arithmetic number, because the mean of its divisors is an integer number (14938146480).

Almost surely, 2^82159805607 is an apocalyptic number.

82159805607 is a deficient number, since it is larger than the sum of its proper divisors (37345366233).

82159805607 is a wasteful number, since it uses less digits than its factorization.

82159805607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489691093.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 82159805607 in words is "eighty-two billion, one hundred fifty-nine million, eight hundred five thousand, six hundred seven".