56784248766 has 24 divisors (see below), whose sum is σ = 140608616304. Its totient is φ = 16224071040.

The previous prime is 56784248713. The next prime is 56784248797. The reversal of 56784248766 is 66784248765.

56784248766 is a `hidden beast` number, since 5 + 6 + 78 + 424 + 87 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 225334195 + ... + 225334446.

It is an arithmetic number, because the mean of its divisors is an integer number (5858692346).

Almost surely, 2^56784248766 is an apocalyptic number.

56784248766 is an abundant number, since it is smaller than the sum of its proper divisors (83824367538).

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

56784248766 is a wasteful number, since it uses less digits than its factorization.

56784248766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450668656 (or 450668653 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

Subtracting 56784248766 from its reverse (66784248765), we obtain a palindrome (9999999999).

The spelling of 56784248766 in words is "fifty-six billion, seven hundred eighty-four million, two hundred forty-eight thousand, seven hundred sixty-six".