8820811 has 2 divisors, whose sum is σ = 8820812. Its totient is φ = 8820810.

The previous prime is 8820803. The next prime is 8820821. The reversal of 8820811 is 1180288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8820811 - 2³ = 8820803 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8820811.

It is not a weakly prime, because it can be changed into another prime (8820821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4410405 + 4410406.

It is an arithmetic number, because the mean of its divisors is an integer number (4410406).

Almost surely, 2^8820811 is an apocalyptic number.

8820811 is a deficient number, since it is larger than the sum of its proper divisors (1).

8820811 is an equidigital number, since it uses as much as digits as its factorization.

8820811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 8820811 is about 2969.9850167972. The cubic root of 8820811 is about 206.6186433103.

The spelling of 8820811 in words is "eight million, eight hundred twenty thousand, eight hundred eleven".