63897129 has 12 divisors (see below), whose sum is σ = 93024256. Its totient is φ = 42261912.

The previous prime is 63897091. The next prime is 63897143. The reversal of 63897129 is 92179836.

63897129 is a `hidden beast` number, since 638 + 9 + 7 + 1 + 2 + 9 = 666.

It is not a de Polignac number, because 63897129 - 2⁹ = 63896617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63897199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26809 + ... + 29094.

Almost surely, 2^63897129 is an apocalyptic number.

It is an amenable number.

63897129 is a deficient number, since it is larger than the sum of its proper divisors (29127127).

63897129 is a wasteful number, since it uses less digits than its factorization.

63897129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56036 (or 56033 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 63897129 is about 7993.5679768174. The cubic root of 63897129 is about 399.7855704872.

The spelling of 63897129 in words is "sixty-three million, eight hundred ninety-seven thousand, one hundred twenty-nine".