4779979 has 2 divisors, whose sum is σ = 4779980. Its totient is φ = 4779978.

The previous prime is 4779961. The next prime is 4779989. The reversal of 4779979 is 9799774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4779979 - 2⁷ = 4779851 is a prime.

It is not a weakly prime, because it can be changed into another prime (4779949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389989 + 2389990.

It is an arithmetic number, because the mean of its divisors is an integer number (2389990).

Almost surely, 2^4779979 is an apocalyptic number.

4779979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779979 is an equidigital number, since it uses as much as digits as its factorization.

4779979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000188, while the sum is 52.

The square root of 4779979 is about 2186.3163083141. The cubic root of 4779979 is about 168.4516733679.

The spelling of 4779979 in words is "four million, seven hundred seventy-nine thousand, nine hundred seventy-nine".