6476645677 has 2 divisors, whose sum is σ = 6476645678. Its totient is φ = 6476645676.

The previous prime is 6476645599. The next prime is 6476645687. The reversal of 6476645677 is 7765466746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6214011241 + 262634436 = 78829^2 + 16206^2 .

It is a cyclic number.

It is not a de Polignac number, because 6476645677 - 2³¹ = 4329162029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6476645687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238322838 + 3238322839.

It is an arithmetic number, because the mean of its divisors is an integer number (3238322839).

Almost surely, 2^6476645677 is an apocalyptic number.

It is an amenable number.

6476645677 is a deficient number, since it is larger than the sum of its proper divisors (1).

6476645677 is an equidigital number, since it uses as much as digits as its factorization.

6476645677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 58.

The square root of 6476645677 is about 80477.6097868221. The cubic root of 6476645677 is about 1864.0177609679.

The spelling of 6476645677 in words is "six billion, four hundred seventy-six million, six hundred forty-five thousand, six hundred seventy-seven".