56017724677 has 2 divisors, whose sum is σ = 56017724678. Its totient is φ = 56017724676.

The previous prime is 56017724663. The next prime is 56017724723. The reversal of 56017724677 is 77642771065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51822701316 + 4195023361 = 227646^2 + 64769^2 .

It is a cyclic number.

It is not a de Polignac number, because 56017724677 - 2⁷ = 56017724549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56017724977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008862338 + 28008862339.

It is an arithmetic number, because the mean of its divisors is an integer number (28008862339).

Almost surely, 2^56017724677 is an apocalyptic number.

It is an amenable number.

56017724677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56017724677 is an equidigital number, since it uses as much as digits as its factorization.

56017724677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3457440, while the sum is 52.

The spelling of 56017724677 in words is "fifty-six billion, seventeen million, seven hundred twenty-four thousand, six hundred seventy-seven".