4779191 has 2 divisors, whose sum is σ = 4779192. Its totient is φ = 4779190.

The previous prime is 4779163. The next prime is 4779199. The reversal of 4779191 is 1919774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4779191 - 2¹⁰ = 4778167 is a prime.

It is a super-2 number, since 2×4779191² = 45681333228962, which contains 22 as substring.

It is a Sophie Germain prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4779199) 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, 2389595 + 2389596.

It is an arithmetic number, because the mean of its divisors is an integer number (2389596).

Almost surely, 2^4779191 is an apocalyptic number.

4779191 is a deficient number, since it is larger than the sum of its proper divisors (1).

4779191 is an equidigital number, since it uses as much as digits as its factorization.

4779191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 38.

The square root of 4779191 is about 2186.1360890850. The cubic root of 4779191 is about 168.4424161993.

The spelling of 4779191 in words is "four million, seven hundred seventy-nine thousand, one hundred ninety-one".