842382941779 has 4 divisors (see below), whose sum is σ = 842498201920. Its totient is φ = 842267681640.

The previous prime is 842382941759. The next prime is 842382941797. The reversal of 842382941779 is 977149283248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 842382941779 - 2¹¹ = 842382939731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842382941779.

It is not an unprimeable number, because it can be changed into a prime (842382941759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57619107 + ... + 57633724.

It is an arithmetic number, because the mean of its divisors is an integer number (210624550480).

Almost surely, 2^842382941779 is an apocalyptic number.

842382941779 is a deficient number, since it is larger than the sum of its proper divisors (115260141).

842382941779 is a wasteful number, since it uses less digits than its factorization.

842382941779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115260140.

The product of its digits is 48771072, while the sum is 64.

The spelling of 842382941779 in words is "eight hundred forty-two billion, three hundred eighty-two million, nine hundred forty-one thousand, seven hundred seventy-nine".