82945843679 has 8 divisors (see below), whose sum is σ = 83030478720. Its totient is φ = 82861243416.

The previous prime is 82945843627. The next prime is 82945843693. The reversal of 82945843679 is 97634854928.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82945843679 is a prime.

It is a super-2 number, since 2×82945843679² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82945845679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9151652 + ... + 9160710.

It is an arithmetic number, because the mean of its divisors is an integer number (10378809840).

Almost surely, 2^82945843679 is an apocalyptic number.

82945843679 is a deficient number, since it is larger than the sum of its proper divisors (84635041).

82945843679 is a wasteful number, since it uses less digits than its factorization.

82945843679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389.

The product of its digits is 104509440, while the sum is 65.

The spelling of 82945843679 in words is "eighty-two billion, nine hundred forty-five million, eight hundred forty-three thousand, six hundred seventy-nine".