7722680568 has 96 divisors (see below), whose sum is σ = 21000758400. Its totient is φ = 2359938240.

The previous prime is 7722680557. The next prime is 7722680573. The reversal of 7722680568 is 8650862277.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7722680568.

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, 429405 + ... + 447027.

It is an arithmetic number, because the mean of its divisors is an integer number (218757900).

Almost surely, 2^7722680568 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 7722680568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10500379200).

7722680568 is an abundant number, since it is smaller than the sum of its proper divisors (13278077832).

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

7722680568 is a wasteful number, since it uses less digits than its factorization.

7722680568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17713 (or 17678 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 7722680568 is about 87878.7833780145. The cubic root of 7722680568 is about 1976.6177477884.

The spelling of 7722680568 in words is "seven billion, seven hundred twenty-two million, six hundred eighty thousand, five hundred sixty-eight".