8378863 has 2 divisors, whose sum is σ = 8378864. Its totient is φ = 8378862.

The previous prime is 8378857. The next prime is 8378869. The reversal of 8378863 is 3688738.

It is a balanced prime because it is at equal distance from previous prime (8378857) and next prime (8378869).

It is a cyclic number.

It is not a de Polignac number, because 8378863 - 2⁹ = 8378351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8378869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4189431 + 4189432.

It is an arithmetic number, because the mean of its divisors is an integer number (4189432).

Almost surely, 2^8378863 is an apocalyptic number.

8378863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8378863 is an equidigital number, since it uses as much as digits as its factorization.

8378863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 8378863 is about 2894.6265734979. The cubic root of 8378863 is about 203.1086236265.

The spelling of 8378863 in words is "eight million, three hundred seventy-eight thousand, eight hundred sixty-three".