2679979 has 2 divisors, whose sum is σ = 2679980. Its totient is φ = 2679978.

The previous prime is 2679973. The next prime is 2680003. The reversal of 2679979 is 9799762.

2679979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2679979 - 2¹³ = 2671787 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6⁸ + 7⁶ + 9 + 9² + 7⁷ + 9⁵ .

It is not a weakly prime, because it can be changed into another prime (2679973) 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, 1339989 + 1339990.

It is an arithmetic number, because the mean of its divisors is an integer number (1339990).

2^2679979 is an apocalyptic number.

2679979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679979 is an equidigital number, since it uses as much as digits as its factorization.

2679979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 2679979 is about 1637.0641404661. The cubic root of 2679979 is about 138.9026283534.

The spelling of 2679979 in words is "two million, six hundred seventy-nine thousand, nine hundred seventy-nine".