767878768 has 40 divisors (see below), whose sum is σ = 1570631120. Its totient is φ = 363680064.

The previous prime is 767878717. The next prime is 767878777. The reversal of 767878768 is 867878767.

767878768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106246 + ... + 113242.

It is an arithmetic number, because the mean of its divisors is an integer number (39265778).

Almost surely, 2^767878768 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 767878768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (785315560).

767878768 is an abundant number, since it is smaller than the sum of its proper divisors (802752352).

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

767878768 is an equidigital number, since it uses as much as digits as its factorization.

767878768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062 (or 7018 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 64.

The square root of 767878768 is about 27710.6255432821. The cubic root of 767878768 is about 915.7232053969.

Subtracting 767878768 from its reverse (867878767), we obtain a palindrome (99999999).

The spelling of 767878768 in words is "seven hundred sixty-seven million, eight hundred seventy-eight thousand, seven hundred sixty-eight".