63277673 has 2 divisors, whose sum is σ = 63277674. Its totient is φ = 63277672.

The previous prime is 63277633. The next prime is 63277703. The reversal of 63277673 is 37677236.

63277673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 994009 = 7892^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 63277673 - 2⁶ = 63277609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63277673.

It is not a weakly prime, because it can be changed into another prime (63277633) 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, 31638836 + 31638837.

It is an arithmetic number, because the mean of its divisors is an integer number (31638837).

Almost surely, 2^63277673 is an apocalyptic number.

It is an amenable number.

63277673 is a deficient number, since it is larger than the sum of its proper divisors (1).

63277673 is an equidigital number, since it uses as much as digits as its factorization.

63277673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 41.

The square root of 63277673 is about 7954.7264566420. The cubic root of 63277673 is about 398.4894548977.

The spelling of 63277673 in words is "sixty-three million, two hundred seventy-seven thousand, six hundred seventy-three".