63912967 has 2 divisors, whose sum is σ = 63912968. Its totient is φ = 63912966.

The previous prime is 63912943. The next prime is 63912971. The reversal of 63912967 is 76921936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63912967 - 2¹⁵ = 63880199 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63912977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31956483 + 31956484.

It is an arithmetic number, because the mean of its divisors is an integer number (31956484).

Almost surely, 2^63912967 is an apocalyptic number.

63912967 is a deficient number, since it is larger than the sum of its proper divisors (1).

63912967 is an equidigital number, since it uses as much as digits as its factorization.

63912967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 63912967 is about 7994.5585869390. The cubic root of 63912967 is about 399.8185989966.

The spelling of 63912967 in words is "sixty-three million, nine hundred twelve thousand, nine hundred sixty-seven".