8821428467 has 2 divisors, whose sum is σ = 8821428468. Its totient is φ = 8821428466.

The previous prime is 8821428389. The next prime is 8821428557. The reversal of 8821428467 is 7648241288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8821428467 - 2¹² = 8821424371 is a prime.

It is not a weakly prime, because it can be changed into another prime (8821421467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4410714233 + 4410714234.

It is an arithmetic number, because the mean of its divisors is an integer number (4410714234).

Almost surely, 2^8821428467 is an apocalyptic number.

8821428467 is a deficient number, since it is larger than the sum of its proper divisors (1).

8821428467 is an equidigital number, since it uses as much as digits as its factorization.

8821428467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1376256, while the sum is 50.

The square root of 8821428467 is about 93922.4598645074. The cubic root of 8821428467 is about 2066.2346437941.

The spelling of 8821428467 in words is "eight billion, eight hundred twenty-one million, four hundred twenty-eight thousand, four hundred sixty-seven".