7967842238979 has 96 divisors (see below), whose sum is σ = 13911171356160. Its totient is φ = 4293008294400.

The previous prime is 7967842238929. The next prime is 7967842238987. The reversal of 7967842238979 is 9798322487697.

7967842238979 is a `hidden beast` number, since 7 + 9 + 6 + 78 + 422 + 38 + 97 + 9 = 666.

It is not a de Polignac number, because 7967842238979 - 2⁹ = 7967842238467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7967842238898 and 7967842238907.

It is not an unprimeable number, because it can be changed into a prime (7967842238929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 294971584 + ... + 294998594.

It is an arithmetic number, because the mean of its divisors is an integer number (144908034960).

Almost surely, 2^{7967842238979} is an apocalyptic number.

7967842238979 is a deficient number, since it is larger than the sum of its proper divisors (5943329117181).

7967842238979 is a wasteful number, since it uses less digits than its factorization.

7967842238979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28201 (or 28198 counting only the distinct ones).

The product of its digits is 4608866304, while the sum is 81.

The spelling of 7967842238979 in words is "seven trillion, nine hundred sixty-seven billion, eight hundred forty-two million, two hundred thirty-eight thousand, nine hundred seventy-nine".