63277397 has 2 divisors, whose sum is σ = 63277398. Its totient is φ = 63277396.

The previous prime is 63277367. The next prime is 63277411. The reversal of 63277397 is 79377236.

63277397 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., 43970161 + 19307236 = 6631^2 + 4394^2 .

It is a cyclic number.

It is not a de Polignac number, because 63277397 - 2²⁰ = 62228821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63277367) 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, 31638698 + 31638699.

It is an arithmetic number, because the mean of its divisors is an integer number (31638699).

Almost surely, 2^63277397 is an apocalyptic number.

It is an amenable number.

63277397 is a deficient number, since it is larger than the sum of its proper divisors (1).

63277397 is an equidigital number, since it uses as much as digits as its factorization.

63277397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 333396, while the sum is 44.

The square root of 63277397 is about 7954.7091084464. The cubic root of 63277397 is about 398.4888755293.

The spelling of 63277397 in words is "sixty-three million, two hundred seventy-seven thousand, three hundred ninety-seven".