63778283 has 2 divisors, whose sum is σ = 63778284. Its totient is φ = 63778282.

The previous prime is 63778277. The next prime is 63778291. The reversal of 63778283 is 38287736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63778283 - 2⁶ = 63778219 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63778213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31889141 + 31889142.

It is an arithmetic number, because the mean of its divisors is an integer number (31889142).

Almost surely, 2^63778283 is an apocalyptic number.

63778283 is a deficient number, since it is larger than the sum of its proper divisors (1).

63778283 is an equidigital number, since it uses as much as digits as its factorization.

63778283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 63778283 is about 7986.1306650968. The cubic root of 63778283 is about 399.5375551513.

The spelling of 63778283 in words is "sixty-three million, seven hundred seventy-eight thousand, two hundred eighty-three".