7763479668 has 168 divisors, whose sum is σ = 24032709120. Its totient is φ = 2146409280.

The previous prime is 7763479657. The next prime is 7763479687. The reversal of 7763479668 is 8669743677.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 55 ways as a sum of consecutive naturals, for example, 626638 + ... + 638906.

It is an arithmetic number, because the mean of its divisors is an integer number (143051840).

Almost surely, 2^7763479668 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 7763479668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12016354560).

7763479668 is an abundant number, since it is smaller than the sum of its proper divisors (16269229452).

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

7763479668 is a wasteful number, since it uses less digits than its factorization.

7763479668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12329 (or 12312 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 63.

The square root of 7763479668 is about 88110.6104166802. The cubic root of 7763479668 is about 1980.0924750198.

The spelling of 7763479668 in words is "seven billion, seven hundred sixty-three million, four hundred seventy-nine thousand, six hundred sixty-eight".