4979879 has 2 divisors, whose sum is σ = 4979880. Its totient is φ = 4979878.

The previous prime is 4979839. The next prime is 4979893. The reversal of 4979879 is 9789794.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4979879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4979879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4979839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489939 + 2489940.

It is an arithmetic number, because the mean of its divisors is an integer number (2489940).

Almost surely, 2^4979879 is an apocalyptic number.

4979879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4979879 is an equidigital number, since it uses as much as digits as its factorization.

4979879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 53.

The square root of 4979879 is about 2231.5642495792. The cubic root of 4979879 is about 170.7679101193.

The spelling of 4979879 in words is "four million, nine hundred seventy-nine thousand, eight hundred seventy-nine".