8157968848 has 10 divisors (see below), whose sum is σ = 15806064674. Its totient is φ = 4078984416.

The previous prime is 8157968807. The next prime is 8157968867. The reversal of 8157968848 is 8488697518.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7990214544 + 167754304 = 89388^2 + 12952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8157968848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254936511 + ... + 254936542.

Almost surely, 2^8157968848 is an apocalyptic number.

It is an amenable number.

8157968848 is a deficient number, since it is larger than the sum of its proper divisors (7648095826).

8157968848 is a wasteful number, since it uses less digits than its factorization.

8157968848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509873061 (or 509873055 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 64.

The square root of 8157968848 is about 90321.4750100993. The cubic root of 8157968848 is about 2013.0783624701.

The spelling of 8157968848 in words is "eight billion, one hundred fifty-seven million, nine hundred sixty-eight thousand, eight hundred forty-eight".