8821294250863 has 2 divisors, whose sum is σ = 8821294250864. Its totient is φ = 8821294250862.

The previous prime is 8821294250849. The next prime is 8821294250959. The reversal of 8821294250863 is 3680524921288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8821294250863 - 2²⁵ = 8821260696431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8821294250798 and 8821294250807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8821294250803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4410647125431 + 4410647125432.

It is an arithmetic number, because the mean of its divisors is an integer number (4410647125432).

Almost surely, 2^{8821294250863} is an apocalyptic number.

8821294250863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8821294250863 is an equidigital number, since it uses as much as digits as its factorization.

8821294250863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 8821294250863 in words is "eight trillion, eight hundred twenty-one billion, two hundred ninety-four million, two hundred fifty thousand, eight hundred sixty-three".