7796719644 has 96 divisors (see below), whose sum is σ = 21444950016. Its totient is φ = 2158540800.

The previous prime is 7796719643. The next prime is 7796719649. The reversal of 7796719644 is 4469176977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7796719643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388972 + ... + 408524.

It is an arithmetic number, because the mean of its divisors is an integer number (223384896).

Almost surely, 2^7796719644 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 7796719644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10722475008).

7796719644 is an abundant number, since it is smaller than the sum of its proper divisors (13648230372).

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

7796719644 is a wasteful number, since it uses less digits than its factorization.

7796719644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19715 (or 19713 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 60.

The square root of 7796719644 is about 88299.0353514692. The cubic root of 7796719644 is about 1982.9144275712.

The spelling of 7796719644 in words is "seven billion, seven hundred ninety-six million, seven hundred nineteen thousand, six hundred forty-four".