8813879 has 2 divisors, whose sum is σ = 8813880. Its totient is φ = 8813878.

The previous prime is 8813873. The next prime is 8813897. The reversal of 8813879 is 9783188.

Together with next prime (8813897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8813879 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8813873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406939 + 4406940.

It is an arithmetic number, because the mean of its divisors is an integer number (4406940).

Almost surely, 2^8813879 is an apocalyptic number.

8813879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813879 is an equidigital number, since it uses as much as digits as its factorization.

8813879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 44.

The square root of 8813879 is about 2968.8177781737. The cubic root of 8813879 is about 206.5645040786.

The spelling of 8813879 in words is "eight million, eight hundred thirteen thousand, eight hundred seventy-nine".