56856785735747 has 8 divisors (see below), whose sum is σ = 57160030449600. Its totient is φ = 56554018951104.

The previous prime is 56856785735719. The next prime is 56856785735759. The reversal of 56856785735747 is 74753758765865.

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

It is a cyclic number.

It is not a de Polignac number, because 56856785735747 - 2¹⁸ = 56856785473603 is a prime.

It is a super-2 number, since 2×56856785735747² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56856785735777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119243738 + ... + 119719599.

It is an arithmetic number, because the mean of its divisors is an integer number (7145003806200).

Almost surely, 2^{56856785735747} is an apocalyptic number.

56856785735747 is a deficient number, since it is larger than the sum of its proper divisors (303244713853).

56856785735747 is a wasteful number, since it uses less digits than its factorization.

56856785735747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238964605.

The product of its digits is 41489280000, while the sum is 83.

The spelling of 56856785735747 in words is "fifty-six trillion, eight hundred fifty-six billion, seven hundred eighty-five million, seven hundred thirty-five thousand, seven hundred forty-seven".