8196974979 has 16 divisors (see below), whose sum is σ = 11379417504. Its totient is φ = 5243961600.

The previous prime is 8196974969. The next prime is 8196974987. The reversal of 8196974979 is 9794796918.

It is a de Polignac number, because none of the positive numbers 2^k-8196974979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8196974939) 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 15 ways as a sum of consecutive naturals, for example, 538744 + ... + 553749.

It is an arithmetic number, because the mean of its divisors is an integer number (711213594).

Almost surely, 2^8196974979 is an apocalyptic number.

8196974979 is a deficient number, since it is larger than the sum of its proper divisors (3182442525).

8196974979 is a wasteful number, since it uses less digits than its factorization.

8196974979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092598.

The product of its digits is 61725888, while the sum is 69.

The square root of 8196974979 is about 90537.1469563737. The cubic root of 8196974979 is about 2016.2816754262.

The spelling of 8196974979 in words is "eight billion, one hundred ninety-six million, nine hundred seventy-four thousand, nine hundred seventy-nine".