63885457 has 2 divisors, whose sum is σ = 63885458. Its totient is φ = 63885456.

The previous prime is 63885449. The next prime is 63885517. The reversal of 63885457 is 75458836.

63885457 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., 41075281 + 22810176 = 6409^2 + 4776^2 .

It is a cyclic number.

It is not a de Polignac number, because 63885457 - 2³ = 63885449 is a prime.

It is not a weakly prime, because it can be changed into another prime (63885557) 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, 31942728 + 31942729.

It is an arithmetic number, because the mean of its divisors is an integer number (31942729).

Almost surely, 2^63885457 is an apocalyptic number.

It is an amenable number.

63885457 is a deficient number, since it is larger than the sum of its proper divisors (1).

63885457 is an equidigital number, since it uses as much as digits as its factorization.

63885457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 63885457 is about 7992.8378564813. The cubic root of 63885457 is about 399.7612262461.

The spelling of 63885457 in words is "sixty-three million, eight hundred eighty-five thousand, four hundred fifty-seven".