7968228679 has 2 divisors, whose sum is σ = 7968228680. Its totient is φ = 7968228678.

The previous prime is 7968228677. The next prime is 7968228713. The reversal of 7968228679 is 9768228697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7968228679 - 2¹ = 7968228677 is a prime.

Together with 7968228677, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7968228679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7968228673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984114339 + 3984114340.

It is an arithmetic number, because the mean of its divisors is an integer number (3984114340).

Almost surely, 2^7968228679 is an apocalyptic number.

7968228679 is a deficient number, since it is larger than the sum of its proper divisors (1).

7968228679 is an equidigital number, since it uses as much as digits as its factorization.

7968228679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36578304, while the sum is 64.

The square root of 7968228679 is about 89264.9353273725. The cubic root of 7968228679 is about 1997.3488772435.

The spelling of 7968228679 in words is "seven billion, nine hundred sixty-eight million, two hundred twenty-eight thousand, six hundred seventy-nine".