63378713 has 2 divisors, whose sum is σ = 63378714. Its totient is φ = 63378712.

The previous prime is 63378697. The next prime is 63378739. The reversal of 63378713 is 31787336.

It is a happy number.

63378713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62932489 + 446224 = 7933^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 63378713 - 2⁴ = 63378697 is a prime.

It is a super-2 number, since 2×63378713² = 8033722523072738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63378773) 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 as a sum of consecutive naturals, namely, 31689356 + 31689357.

It is an arithmetic number, because the mean of its divisors is an integer number (31689357).

Almost surely, 2^63378713 is an apocalyptic number.

It is an amenable number.

63378713 is a deficient number, since it is larger than the sum of its proper divisors (1).

63378713 is an equidigital number, since it uses as much as digits as its factorization.

63378713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 63378713 is about 7961.0748646147. The cubic root of 63378713 is about 398.7014410066.

The spelling of 63378713 in words is "sixty-three million, three hundred seventy-eight thousand, seven hundred thirteen".