63678763 has 2 divisors, whose sum is σ = 63678764. Its totient is φ = 63678762.

The previous prime is 63678737. The next prime is 63678779. The reversal of 63678763 is 36787636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63678763 - 2⁵ = 63678731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (63678733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31839381 + 31839382.

It is an arithmetic number, because the mean of its divisors is an integer number (31839382).

Almost surely, 2^63678763 is an apocalyptic number.

63678763 is a deficient number, since it is larger than the sum of its proper divisors (1).

63678763 is an equidigital number, since it uses as much as digits as its factorization.

63678763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 46.

The square root of 63678763 is about 7979.8974304185. The cubic root of 63678763 is about 399.3296333992.

The spelling of 63678763 in words is "sixty-three million, six hundred seventy-eight thousand, seven hundred sixty-three".