63130777 has 2 divisors, whose sum is σ = 63130778. Its totient is φ = 63130776.

The previous prime is 63130759. The next prime is 63130813. The reversal of 63130777 is 77703136.

63130777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60388441 + 2742336 = 7771^2 + 1656^2 .

It is a cyclic number.

It is not a de Polignac number, because 63130777 - 2¹¹ = 63128729 is a prime.

It is not a weakly prime, because it can be changed into another prime (63130577) 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, 31565388 + 31565389.

It is an arithmetic number, because the mean of its divisors is an integer number (31565389).

Almost surely, 2^63130777 is an apocalyptic number.

It is an amenable number.

63130777 is a deficient number, since it is larger than the sum of its proper divisors (1).

63130777 is an equidigital number, since it uses as much as digits as its factorization.

63130777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 63130777 is about 7945.4878390191. The cubic root of 63130777 is about 398.1808580986.

The spelling of 63130777 in words is "sixty-three million, one hundred thirty thousand, seven hundred seventy-seven".