56783788597 has 2 divisors, whose sum is σ = 56783788598. Its totient is φ = 56783788596.

The previous prime is 56783788583. The next prime is 56783788681. The reversal of 56783788597 is 79588738765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48244365316 + 8539423281 = 219646^2 + 92409^2 .

It is a cyclic number.

It is not a de Polignac number, because 56783788597 - 2⁷ = 56783788469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56783788547) 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 as a sum of consecutive naturals, namely, 28391894298 + 28391894299.

It is an arithmetic number, because the mean of its divisors is an integer number (28391894299).

Almost surely, 2^56783788597 is an apocalyptic number.

It is an amenable number.

56783788597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56783788597 is an equidigital number, since it uses as much as digits as its factorization.

56783788597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 711244800, while the sum is 73.

The spelling of 56783788597 in words is "fifty-six billion, seven hundred eighty-three million, seven hundred eighty-eight thousand, five hundred ninety-seven".