7768272548 has 12 divisors (see below), whose sum is σ = 13734626892. Its totient is φ = 3844093440.

The previous prime is 7768272541. The next prime is 7768272557. The reversal of 7768272548 is 8452728677.

It can be written as a sum of positive squares in 2 ways, for example, as 3709053604 + 4059218944 = 60902^2 + 63712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7768272493 and 7768272502.

It is not an unprimeable number, because it can be changed into a prime (7768272541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010273 + ... + 10011048.

It is an arithmetic number, because the mean of its divisors is an integer number (1144552241).

Almost surely, 2^7768272548 is an apocalyptic number.

It is an amenable number.

7768272548 is a deficient number, since it is larger than the sum of its proper divisors (5966354344).

7768272548 is a wasteful number, since it uses less digits than its factorization.

7768272548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20021422 (or 20021420 counting only the distinct ones).

The product of its digits is 10536960, while the sum is 56.

The square root of 7768272548 is about 88137.8043066651. The cubic root of 7768272548 is about 1980.4998693714.

The spelling of 7768272548 in words is "seven billion, seven hundred sixty-eight million, two hundred seventy-two thousand, five hundred forty-eight".