7648889416728 has 32 divisors (see below), whose sum is σ = 21853969762560. Its totient is φ = 2185396976160.

The previous prime is 7648889416699. The next prime is 7648889416757. The reversal of 7648889416728 is 8276149888467.

It is an interprime number because it is at equal distance from previous prime (7648889416699) and next prime (7648889416757).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22764551668 + ... + 22764552003.

It is an arithmetic number, because the mean of its divisors is an integer number (682936555080).

Almost surely, 2^{7648889416728} is an apocalyptic number.

It is an amenable number.

7648889416728 is an abundant number, since it is smaller than the sum of its proper divisors (14205080345832).

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

7648889416728 is a wasteful number, since it uses less digits than its factorization.

7648889416728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45529103687 (or 45529103683 counting only the distinct ones).

The product of its digits is 2080899072, while the sum is 78.

The spelling of 7648889416728 in words is "seven trillion, six hundred forty-eight billion, eight hundred eighty-nine million, four hundred sixteen thousand, seven hundred twenty-eight".