56747074765 has 4 divisors (see below), whose sum is σ = 68096489724. Its totient is φ = 45397659808.

The previous prime is 56747074763. The next prime is 56747074777.

56747074765 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12147125796 + 44599948969 = 110214^2 + 211187^2 .

It is a cyclic number.

It is not a de Polignac number, because 56747074765 - 2¹ = 56747074763 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56747074763) 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, 5674707472 + ... + 5674707481.

It is an arithmetic number, because the mean of its divisors is an integer number (17024122431).

Almost surely, 2^56747074765 is an apocalyptic number.

It is an amenable number.

56747074765 is a deficient number, since it is larger than the sum of its proper divisors (11349414959).

56747074765 is a wasteful number, since it uses less digits than its factorization.

56747074765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349414958.

The product of its (nonzero) digits is 34574400, while the sum is 58.

The spelling of 56747074765 in words is "fifty-six billion, seven hundred forty-seven million, seventy-four thousand, seven hundred sixty-five".