7796987744 has 144 divisors (see below), whose sum is σ = 19942076448. Its totient is φ = 2921785344.

The previous prime is 7796987719. The next prime is 7796987791. The reversal of 7796987744 is 4477896977.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1047524 + ... + 1054940.

It is an arithmetic number, because the mean of its divisors is an integer number (138486642).

Almost surely, 2^7796987744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7796987744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9971038224).

7796987744 is an abundant number, since it is smaller than the sum of its proper divisors (12145088704).

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

7796987744 is a wasteful number, since it uses less digits than its factorization.

7796987744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7485 (or 7458 counting only the distinct ones).

The product of its digits is 149361408, while the sum is 68.

The square root of 7796987744 is about 88300.5534750491. The cubic root of 7796987744 is about 1982.9371556452.

The spelling of 7796987744 in words is "seven billion, seven hundred ninety-six million, nine hundred eighty-seven thousand, seven hundred forty-four".