56784248765 has 8 divisors (see below), whose sum is σ = 68143652448. Its totient is φ = 45425696400.

The previous prime is 56784248713. The next prime is 56784248797.

56784248765 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56784248765 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56784248698 and 56784248707.

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 7 ways as a sum of consecutive naturals, for example, 55511 + ... + 341540.

It is an arithmetic number, because the mean of its divisors is an integer number (8517956556).

Almost surely, 2^56784248765 is an apocalyptic number.

It is an amenable number.

56784248765 is a deficient number, since it is larger than the sum of its proper divisors (11359403683).

56784248765 is a wasteful number, since it uses less digits than its factorization.

56784248765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425659.

The product of its digits is 90316800, while the sum is 62.

The spelling of 56784248765 in words is "fifty-six billion, seven hundred eighty-four million, two hundred forty-eight thousand, seven hundred sixty-five".