8821867 has 2 divisors, whose sum is σ = 8821868. Its totient is φ = 8821866.

The previous prime is 8821819. The next prime is 8821877. The reversal of 8821867 is 7681288.

8821867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8821867 - 2²³ = 433259 is a prime.

It is not a weakly prime, because it can be changed into another prime (8821807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4410933 + 4410934.

It is an arithmetic number, because the mean of its divisors is an integer number (4410934).

Almost surely, 2^8821867 is an apocalyptic number.

8821867 is a deficient number, since it is larger than the sum of its proper divisors (1).

8821867 is an equidigital number, since it uses as much as digits as its factorization.

8821867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 40.

The square root of 8821867 is about 2970.1627901514. The cubic root of 8821867 is about 206.6268882280.

The spelling of 8821867 in words is "eight million, eight hundred twenty-one thousand, eight hundred sixty-seven".