7728937512148 has 36 divisors (see below), whose sum is σ = 14316905162196. Its totient is φ = 3648593558400.

The previous prime is 7728937512143. The next prime is 7728937512161. The reversal of 7728937512148 is 8412157398277.

It can be written as a sum of positive squares in 2 ways, for example, as 1266858300304 + 6462079211844 = 1125548^2 + 2542062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7728937512148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7728937512143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24362515 + ... + 24677722.

It is an arithmetic number, because the mean of its divisors is an integer number (397691810061).

Almost surely, 2^{7728937512148} is an apocalyptic number.

It is an amenable number.

7728937512148 is a deficient number, since it is larger than the sum of its proper divisors (6587967650048).

7728937512148 is a wasteful number, since it uses less digits than its factorization.

7728937512148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49040344 (or 49040311 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 64.

The spelling of 7728937512148 in words is "seven trillion, seven hundred twenty-eight billion, nine hundred thirty-seven million, five hundred twelve thousand, one hundred forty-eight".