768788336 has 40 divisors (see below), whose sum is σ = 1582376400. Its totient is φ = 360806400.

The previous prime is 768788311. The next prime is 768788369. The reversal of 768788336 is 633887867.

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, 21536 + ... + 44736.

It is an arithmetic number, because the mean of its divisors is an integer number (39559410).

Almost surely, 2^768788336 is an apocalyptic number.

768788336 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768788336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791188200).

768788336 is an abundant number, since it is smaller than the sum of its proper divisors (813588064).

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

768788336 is a wasteful number, since it uses less digits than its factorization.

768788336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23337 (or 23331 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The square root of 768788336 is about 27727.0325855473. The cubic root of 768788336 is about 916.0846269772.

The spelling of 768788336 in words is "seven hundred sixty-eight million, seven hundred eighty-eight thousand, three hundred thirty-six".