56295677777 has 2 divisors, whose sum is σ = 56295677778. Its totient is φ = 56295677776.

The previous prime is 56295677723. The next prime is 56295677821. The reversal of 56295677777 is 77777659265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32791415056 + 23504262721 = 181084^2 + 153311^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56295677777 is a prime.

It is not a weakly prime, because it can be changed into another prime (56295677077) by changing a digit.

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 as a sum of consecutive naturals, namely, 28147838888 + 28147838889.

It is an arithmetic number, because the mean of its divisors is an integer number (28147838889).

Almost surely, 2^56295677777 is an apocalyptic number.

It is an amenable number.

56295677777 is a deficient number, since it is larger than the sum of its proper divisors (1).

56295677777 is an equidigital number, since it uses as much as digits as its factorization.

56295677777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272273400, while the sum is 68.

The spelling of 56295677777 in words is "fifty-six billion, two hundred ninety-five million, six hundred seventy-seven thousand, seven hundred seventy-seven".