776868018336 has 384 divisors, whose sum is σ = 2432824934400. Its totient is φ = 240718832640.

The previous prime is 776868018271. The next prime is 776868018337. The reversal of 776868018336 is 633810868677.

It is not an unprimeable number, because it can be changed into a prime (776868018337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78284671 + ... + 78294593.

It is an arithmetic number, because the mean of its divisors is an integer number (6335481600).

Almost surely, 2^776868018336 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 776868018336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216412467200).

776868018336 is an abundant number, since it is smaller than the sum of its proper divisors (1655956916064).

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

776868018336 is a wasteful number, since it uses less digits than its factorization.

776868018336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089 (or 10075 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 776868018336 in words is "seven hundred seventy-six billion, eight hundred sixty-eight million, eighteen thousand, three hundred thirty-six".