56790809765 has 8 divisors (see below), whose sum is σ = 70498936440. Its totient is φ = 43866004672.

The previous prime is 56790809759. The next prime is 56790809783.

It is a happy number.

56790809765 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 1547478244 + 55243331521 = 39338^2 + 235039^2 .

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 56790809765 - 2¹⁸ = 56790547621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56790809698 and 56790809707.

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, 195830234 + ... + 195830523.

It is an arithmetic number, because the mean of its divisors is an integer number (8812367055).

Almost surely, 2^56790809765 is an apocalyptic number.

It is an amenable number.

56790809765 is a deficient number, since it is larger than the sum of its proper divisors (13708126675).

56790809765 is a wasteful number, since it uses less digits than its factorization.

56790809765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391660791.

The product of its (nonzero) digits is 28576800, while the sum is 62.

The spelling of 56790809765 in words is "fifty-six billion, seven hundred ninety million, eight hundred nine thousand, seven hundred sixty-five".