56782270567 has 4 divisors (see below), whose sum is σ = 61944295176. Its totient is φ = 51620245960.

The previous prime is 56782270543. The next prime is 56782270609. The reversal of 56782270567 is 76507228765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56782270567 - 2²³ = 56773881959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56782270067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581012288 + ... + 2581012309.

It is an arithmetic number, because the mean of its divisors is an integer number (15486073794).

Almost surely, 2^56782270567 is an apocalyptic number.

56782270567 is a deficient number, since it is larger than the sum of its proper divisors (5162024609).

56782270567 is a wasteful number, since it uses less digits than its factorization.

56782270567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162024608.

The product of its (nonzero) digits is 9878400, while the sum is 55.

The spelling of 56782270567 in words is "fifty-six billion, seven hundred eighty-two million, two hundred seventy thousand, five hundred sixty-seven".