63934847 has 2 divisors, whose sum is σ = 63934848. Its totient is φ = 63934846.

The previous prime is 63934837. The next prime is 63934859. The reversal of 63934847 is 74843936.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63934847 - 2⁴ = 63934831 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63934798 and 63934807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63934837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31967423 + 31967424.

It is an arithmetic number, because the mean of its divisors is an integer number (31967424).

Almost surely, 2^63934847 is an apocalyptic number.

63934847 is a deficient number, since it is larger than the sum of its proper divisors (1).

63934847 is an equidigital number, since it uses as much as digits as its factorization.

63934847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 63934847 is about 7995.9269006163. The cubic root of 63934847 is about 399.8642184970.

The spelling of 63934847 in words is "sixty-three million, nine hundred thirty-four thousand, eight hundred forty-seven".