982978679871 has 32 divisors (see below), whose sum is σ = 1463863526400. Its totient is φ = 651907025280.

The previous prime is 982978679849. The next prime is 982978679897. The reversal of 982978679871 is 178976879289.

It is a happy number.

It is not a de Polignac number, because 982978679871 - 2⁹ = 982978679359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982971679871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4719975 + ... + 4923831.

It is an arithmetic number, because the mean of its divisors is an integer number (45745735200).

Almost surely, 2^982978679871 is an apocalyptic number.

982978679871 is a deficient number, since it is larger than the sum of its proper divisors (480884846529).

982978679871 is a wasteful number, since it uses less digits than its factorization.

982978679871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204796 (or 204790 counting only the distinct ones).

The product of its digits is 1536288768, while the sum is 81.

The spelling of 982978679871 in words is "nine hundred eighty-two billion, nine hundred seventy-eight million, six hundred seventy-nine thousand, eight hundred seventy-one".