7948259668 has 12 divisors (see below), whose sum is σ = 13910812020. Its totient is φ = 3973741952.

The previous prime is 7948259659. The next prime is 7948259681. The reversal of 7948259668 is 8669528497.

It can be written as a sum of positive squares in 2 ways, for example, as 2967852484 + 4980407184 = 54478^2 + 70572^2 .

It is a congruent number.

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, 48133 + ... + 134956.

It is an arithmetic number, because the mean of its divisors is an integer number (1159234335).

Almost surely, 2^7948259668 is an apocalyptic number.

It is an amenable number.

7948259668 is a deficient number, since it is larger than the sum of its proper divisors (5962552352).

7948259668 is a wasteful number, since it uses less digits than its factorization.

7948259668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193946 (or 193944 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The square root of 7948259668 is about 89153.0126692306. The cubic root of 7948259668 is about 1995.6789767690.

The spelling of 7948259668 in words is "seven billion, nine hundred forty-eight million, two hundred fifty-nine thousand, six hundred sixty-eight".