4779449775 has 36 divisors (see below), whose sum is σ = 8643679408. Its totient is φ = 2524279680.

The previous prime is 4779449771. The next prime is 4779449821. The reversal of 4779449775 is 5779449774.

4779449775 is a `hidden beast` number, since 4 + 7 + 79 + 4 + 497 + 75 = 666.

It is not a de Polignac number, because 4779449775 - 2² = 4779449771 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 (4779449771) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79942 + ... + 126291.

Almost surely, 2^4779449775 is an apocalyptic number.

4779449775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4779449775 is a deficient number, since it is larger than the sum of its proper divisors (3864229633).

4779449775 is a wasteful number, since it uses less digits than its factorization.

4779449775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206352 (or 206344 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 63.

The square root of 4779449775 is about 69133.5647496930. The cubic root of 4779449775 is about 1684.4545631634.

Subtracting 4779449775 from its reverse (5779449774), we obtain a palindrome (999999999).

The spelling of 4779449775 in words is "four billion, seven hundred seventy-nine million, four hundred forty-nine thousand, seven hundred seventy-five".