4779109 has 4 divisors (see below), whose sum is σ = 4821516. Its totient is φ = 4736704.

The previous prime is 4779107. The next prime is 4779119. The reversal of 4779109 is 9019774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9019774 = 2 ⋅4509887.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 4284900 = 703^2 + 2070^2 .

It is a cyclic number.

It is not a de Polignac number, because 4779109 - 2¹ = 4779107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4779107) 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 in 3 ways as a sum of consecutive naturals, for example, 21034 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (1205379).

Almost surely, 2^4779109 is an apocalyptic number.

It is an amenable number.

4779109 is a deficient number, since it is larger than the sum of its proper divisors (42407).

4779109 is a wasteful number, since it uses less digits than its factorization.

4779109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42406.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 4779109 is about 2186.1173344539. The cubic root of 4779109 is about 168.4414528315.

The spelling of 4779109 in words is "four million, seven hundred seventy-nine thousand, one hundred nine".