7728172548948 has 48 divisors (see below), whose sum is σ = 20062470756160. Its totient is φ = 2572654506912.

The previous prime is 7728172548947. The next prime is 7728172548953. The reversal of 7728172548948 is 8498452718277.

7728172548948 is a `hidden beast` number, since 7 + 7 + 2 + 8 + 1 + 72 + 548 + 9 + 4 + 8 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7728172548947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47181886 + ... + 47345397.

Almost surely, 2^{7728172548948} is an apocalyptic number.

It is an amenable number.

7728172548948 is an abundant number, since it is smaller than the sum of its proper divisors (12334298207212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7728172548948 is a wasteful number, since it uses less digits than its factorization.

7728172548948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94528053 (or 94528045 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 72.

The spelling of 7728172548948 in words is "seven trillion, seven hundred twenty-eight billion, one hundred seventy-two million, five hundred forty-eight thousand, nine hundred forty-eight".