8981279 has 2 divisors, whose sum is σ = 8981280. Its totient is φ = 8981278.

The previous prime is 8981267. The next prime is 8981299. The reversal of 8981279 is 9721898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8981279 - 2²⁰ = 7932703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8981249) 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, 4490639 + 4490640.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^8981279 is an apocalyptic number.

8981279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8981279 is an equidigital number, since it uses as much as digits as its factorization.

8981279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 8981279 is about 2996.8782090702. The cubic root of 8981279 is about 207.8640553378.

The spelling of 8981279 in words is "eight million, nine hundred eighty-one thousand, two hundred seventy-nine".