9880279 has 2 divisors, whose sum is σ = 9880280. Its totient is φ = 9880278.

The previous prime is 9880267. The next prime is 9880291. The reversal of 9880279 is 9720889.

It is a balanced prime because it is at equal distance from previous prime (9880267) and next prime (9880291).

It is a cyclic number.

It is not a de Polignac number, because 9880279 - 2⁹ = 9879767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9880579) 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, 4940139 + 4940140.

It is an arithmetic number, because the mean of its divisors is an integer number (4940140).

Almost surely, 2^9880279 is an apocalyptic number.

9880279 is a deficient number, since it is larger than the sum of its proper divisors (1).

9880279 is an equidigital number, since it uses as much as digits as its factorization.

9880279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9880279 is about 3143.2911096492. The cubic root of 9880279 is about 214.5802446618.

It can be divided in two parts, 988027 and 9, that added together give a square (988036 = 994²).

The spelling of 9880279 in words is "nine million, eight hundred eighty thousand, two hundred seventy-nine".