9979327 has 2 divisors, whose sum is σ = 9979328. Its totient is φ = 9979326.

The previous prime is 9979301. The next prime is 9979337. The reversal of 9979327 is 7239799.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9979327 is a prime.

It is a Chen prime.

9979327 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9979337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989663 + 4989664.

It is an arithmetic number, because the mean of its divisors is an integer number (4989664).

Almost surely, 2^9979327 is an apocalyptic number.

9979327 is a deficient number, since it is larger than the sum of its proper divisors (1).

9979327 is an equidigital number, since it uses as much as digits as its factorization.

9979327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 214326, while the sum is 46.

The square root of 9979327 is about 3159.0072807767. The cubic root of 9979327 is about 215.2949044858.

Subtracting from 9979327 its sum of digits (46), we obtain a square (9979281 = 3159²).

The spelling of 9979327 in words is "nine million, nine hundred seventy-nine thousand, three hundred twenty-seven".