56784281676 has 192 divisors, whose sum is σ = 148128583680. Its totient is φ = 16849071360.

The previous prime is 56784281623. The next prime is 56784281677. The reversal of 56784281676 is 67618248765.

It is not an unprimeable number, because it can be changed into a prime (56784281677) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123176086 + ... + 123176546.

It is an arithmetic number, because the mean of its divisors is an integer number (771503040).

Almost surely, 2^56784281676 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 56784281676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74064291840).

56784281676 is an abundant number, since it is smaller than the sum of its proper divisors (91344302004).

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

56784281676 is a wasteful number, since it uses less digits than its factorization.

56784281676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876 (or 874 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 56784281676 in words is "fifty-six billion, seven hundred eighty-four million, two hundred eighty-one thousand, six hundred seventy-six".