63986159 has 2 divisors, whose sum is σ = 63986160. Its totient is φ = 63986158.

The previous prime is 63986141. The next prime is 63986171. The reversal of 63986159 is 95168936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63986159 - 2⁸ = 63985903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63986119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31993079 + 31993080.

It is an arithmetic number, because the mean of its divisors is an integer number (31993080).

Almost surely, 2^63986159 is an apocalyptic number.

63986159 is a deficient number, since it is larger than the sum of its proper divisors (1).

63986159 is an equidigital number, since it uses as much as digits as its factorization.

63986159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The square root of 63986159 is about 7999.1348907241. The cubic root of 63986159 is about 399.9711625044.

The spelling of 63986159 in words is "sixty-three million, nine hundred eighty-six thousand, one hundred fifty-nine".