63965127 has 4 divisors (see below), whose sum is σ = 85286840. Its totient is φ = 42643416.

The previous prime is 63965089. The next prime is 63965137. The reversal of 63965127 is 72156936.

63965127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63965127 - 2⁶ = 63965063 is a prime.

It is a super-2 number, since 2×63965127² = 8183074944252258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63965137) 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 in 3 ways as a sum of consecutive naturals, for example, 10660852 + ... + 10660857.

It is an arithmetic number, because the mean of its divisors is an integer number (21321710).

Almost surely, 2^63965127 is an apocalyptic number.

63965127 is a deficient number, since it is larger than the sum of its proper divisors (21321713).

63965127 is a wasteful number, since it uses less digits than its factorization.

63965127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21321712.

The product of its digits is 68040, while the sum is 39.

The square root of 63965127 is about 7997.8201405133. The cubic root of 63965127 is about 399.9273347169.

The spelling of 63965127 in words is "sixty-three million, nine hundred sixty-five thousand, one hundred twenty-seven".