7708768704 has 504 divisors, whose sum is σ = 28424672640. Its totient is φ = 2028229632.

The previous prime is 7708768703. The next prime is 7708768721. The reversal of 7708768704 is 4078678077.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×7708768704² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7708768703) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 18397807 + ... + 18398225.

It is an arithmetic number, because the mean of its divisors is an integer number (56398160).

Almost surely, 2^7708768704 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 7708768704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14212336320).

7708768704 is an abundant number, since it is smaller than the sum of its proper divisors (20715903936).

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

7708768704 is a wasteful number, since it uses less digits than its factorization.

7708768704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The square root of 7708768704 is about 87799.5939853938. The cubic root of 7708768704 is about 1975.4301219050.

The spelling of 7708768704 in words is "seven billion, seven hundred eight million, seven hundred sixty-eight thousand, seven hundred four".