677064793 has 2 divisors, whose sum is σ = 677064794. Its totient is φ = 677064792.

The previous prime is 677064761. The next prime is 677064811. The reversal of 677064793 is 397460776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411602944 + 265461849 = 20288^2 + 16293^2 .

It is a cyclic number.

It is not a de Polignac number, because 677064793 - 2⁵ = 677064761 is a prime.

It is not a weakly prime, because it can be changed into another prime (677064293) 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, 338532396 + 338532397.

It is an arithmetic number, because the mean of its divisors is an integer number (338532397).

Almost surely, 2^677064793 is an apocalyptic number.

It is an amenable number.

677064793 is a deficient number, since it is larger than the sum of its proper divisors (1).

677064793 is an equidigital number, since it uses as much as digits as its factorization.

677064793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 677064793 is about 26020.4687313661. The cubic root of 677064793 is about 878.0988541550.

The spelling of 677064793 in words is "six hundred seventy-seven million, sixty-four thousand, seven hundred ninety-three".