7971208196 has 12 divisors (see below), whose sum is σ = 15942416448. Its totient is φ = 3416232072.

The previous prime is 7971208181. The next prime is 7971208207. The reversal of 7971208196 is 6918021797.

7971208196 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142342976 + ... + 142343031.

It is an arithmetic number, because the mean of its divisors is an integer number (1328534704).

Almost surely, 2^7971208196 is an apocalyptic number.

It is an amenable number.

7971208196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7971208196 is a wasteful number, since it uses less digits than its factorization.

7971208196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284686018 (or 284686016 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 7971208196 is about 89281.6229467184. The cubic root of 7971208196 is about 1997.5977988700.

The spelling of 7971208196 in words is "seven billion, nine hundred seventy-one million, two hundred eight thousand, one hundred ninety-six".