780481852656 has 40 divisors (see below), whose sum is σ = 2199539768064. Its totient is φ = 236509652160.

The previous prime is 780481852651. The next prime is 780481852663. The reversal of 780481852656 is 656258184087.

It is a self number, because there is not a number n which added to its sum of digits gives 780481852656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780481852651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739092136 + ... + 739093191.

Almost surely, 2^780481852656 is an apocalyptic number.

It is an amenable number.

780481852656 is an abundant number, since it is smaller than the sum of its proper divisors (1419057915408).

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

780481852656 is a wasteful number, since it uses less digits than its factorization.

780481852656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478185349 (or 1478185343 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 780481852656 in words is "seven hundred eighty billion, four hundred eighty-one million, eight hundred fifty-two thousand, six hundred fifty-six".