63868151 has 2 divisors, whose sum is σ = 63868152. Its totient is φ = 63868150.

The previous prime is 63868117. The next prime is 63868199. The reversal of 63868151 is 15186836.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63868151 - 2⁶ = 63868087 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 (63868111) 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 as a sum of consecutive naturals, namely, 31934075 + 31934076.

It is an arithmetic number, because the mean of its divisors is an integer number (31934076).

Almost surely, 2^63868151 is an apocalyptic number.

63868151 is a deficient number, since it is larger than the sum of its proper divisors (1).

63868151 is an equidigital number, since it uses as much as digits as its factorization.

63868151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 63868151 is about 7991.7551889432. The cubic root of 63868151 is about 399.7251257369.

The spelling of 63868151 in words is "sixty-three million, eight hundred sixty-eight thousand, one hundred fifty-one".