5127763657 has 2 divisors, whose sum is σ = 5127763658. Its totient is φ = 5127763656.

The previous prime is 5127763651. The next prime is 5127763709. The reversal of 5127763657 is 7563677215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2991105481 + 2136658176 = 54691^2 + 46224^2 .

It is a cyclic number.

It is not a de Polignac number, because 5127763657 - 2¹⁵ = 5127730889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5127763657.

It is not a weakly prime, because it can be changed into another prime (5127763651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563881828 + 2563881829.

It is an arithmetic number, because the mean of its divisors is an integer number (2563881829).

Almost surely, 2^5127763657 is an apocalyptic number.

It is an amenable number.

5127763657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5127763657 is an equidigital number, since it uses as much as digits as its factorization.

5127763657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 49.

The square root of 5127763657 is about 71608.4049326614. The cubic root of 5127763657 is about 1724.4184731105.

The spelling of 5127763657 in words is "five billion, one hundred twenty-seven million, seven hundred sixty-three thousand, six hundred fifty-seven".