8917879 has 2 divisors, whose sum is σ = 8917880. Its totient is φ = 8917878.

The previous prime is 8917873. The next prime is 8917891. The reversal of 8917879 is 9787198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8917879 - 2³ = 8917871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8917871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4458939 + 4458940.

It is an arithmetic number, because the mean of its divisors is an integer number (4458940).

Almost surely, 2^8917879 is an apocalyptic number.

8917879 is a deficient number, since it is larger than the sum of its proper divisors (1).

8917879 is an equidigital number, since it uses as much as digits as its factorization.

8917879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 49.

The square root of 8917879 is about 2986.2818018399. The cubic root of 8917879 is about 207.3737868931.

The spelling of 8917879 in words is "eight million, nine hundred seventeen thousand, eight hundred seventy-nine".