7696447968 has 144 divisors (see below), whose sum is σ = 22490576640. Its totient is φ = 2302460160.

The previous prime is 7696447943. The next prime is 7696447991. The reversal of 7696447968 is 8697446967.

It is a happy number.

It is a super-2 number, since 2×7696447968² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 7696447899 and 7696447908.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 913471 + ... + 921857.

It is an arithmetic number, because the mean of its divisors is an integer number (156184560).

Almost surely, 2^7696447968 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 7696447968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11245288320).

7696447968 is an abundant number, since it is smaller than the sum of its proper divisors (14794128672).

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

7696447968 is a wasteful number, since it uses less digits than its factorization.

7696447968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501 (or 8482 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The square root of 7696447968 is about 87729.4019585224. The cubic root of 7696447968 is about 1974.3771335417.

The spelling of 7696447968 in words is "seven billion, six hundred ninety-six million, four hundred forty-seven thousand, nine hundred sixty-eight".