780316884864 has 192 divisors, whose sum is σ = 2501694823680. Its totient is φ = 231428428800.

The previous prime is 780316884847. The next prime is 780316884871. The reversal of 780316884864 is 468488613087.

780316884864 is a `hidden beast` number, since 78 + 0 + 3 + 1 + 6 + 88 + 486 + 4 = 666.

780316884864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59502 + ... + 1250669.

It is an arithmetic number, because the mean of its divisors is an integer number (13029660540).

Almost surely, 2^780316884864 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 780316884864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250847411840).

780316884864 is an abundant number, since it is smaller than the sum of its proper divisors (1721377938816).

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

780316884864 is a wasteful number, since it uses less digits than its factorization.

780316884864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310249 (or 1310234 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 780316884864 in words is "seven hundred eighty billion, three hundred sixteen million, eight hundred eighty-four thousand, eight hundred sixty-four".