8071717648 has 30 divisors (see below), whose sum is σ = 15802136106. Its totient is φ = 3994177536.

The previous prime is 8071717531. The next prime is 8071717649. The reversal of 8071717648 is 8467171708.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3074924304 + 4996793344 = 55452^2 + 70688^2 .

It is not an unprimeable number, because it can be changed into a prime (8071717649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123736 + ... + 177352.

Almost surely, 2^8071717648 is an apocalyptic number.

It is an amenable number.

8071717648 is a deficient number, since it is larger than the sum of its proper divisors (7730418458).

8071717648 is an equidigital number, since it uses as much as digits as its factorization.

8071717648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53819 (or 53716 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 49.

The square root of 8071717648 is about 89842.7384266530. The cubic root of 8071717648 is about 2005.9586999831.

The spelling of 8071717648 in words is "eight billion, seventy-one million, seven hundred seventeen thousand, six hundred forty-eight".