6764675657 has 2 divisors, whose sum is σ = 6764675658. Its totient is φ = 6764675656.

The previous prime is 6764675653. The next prime is 6764675663. The reversal of 6764675657 is 7565764676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4598331721 + 2166343936 = 67811^2 + 46544^2 .

It is a cyclic number.

It is not a de Polignac number, because 6764675657 - 2² = 6764675653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6764675596 and 6764675605.

It is not a weakly prime, because it can be changed into another prime (6764675653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382337828 + 3382337829.

It is an arithmetic number, because the mean of its divisors is an integer number (3382337829).

Almost surely, 2^6764675657 is an apocalyptic number.

It is an amenable number.

6764675657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6764675657 is an equidigital number, since it uses as much as digits as its factorization.

6764675657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44452800, while the sum is 59.

The square root of 6764675657 is about 82247.6483372017. The cubic root of 6764675657 is about 1891.2502255884.

The spelling of 6764675657 in words is "six billion, seven hundred sixty-four million, six hundred seventy-five thousand, six hundred fifty-seven".