780468494736 has 320 divisors, whose sum is σ = 2437901107200. Its totient is φ = 214838830080.

The previous prime is 780468494657. The next prime is 780468494759. The reversal of 780468494736 is 637494864087.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118916191 + ... + 118922753.

It is an arithmetic number, because the mean of its divisors is an integer number (7618440960).

Almost surely, 2^780468494736 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 780468494736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218950553600).

780468494736 is an abundant number, since it is smaller than the sum of its proper divisors (1657432612464).

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

780468494736 is a wasteful number, since it uses less digits than its factorization.

780468494736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 66.

The spelling of 780468494736 in words is "seven hundred eighty billion, four hundred sixty-eight million, four hundred ninety-four thousand, seven hundred thirty-six".