4779857 has 4 divisors (see below), whose sum is σ = 4784640. Its totient is φ = 4775076.

The previous prime is 4779851. The next prime is 4779871. The reversal of 4779857 is 7589774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4779857 - 2¹⁰ = 4778833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4779851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (1196160).

Almost surely, 2^4779857 is an apocalyptic number.

It is an amenable number.

4779857 is a deficient number, since it is larger than the sum of its proper divisors (4783).

4779857 is a wasteful number, since it uses less digits than its factorization.

4779857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782.

The product of its digits is 493920, while the sum is 47.

The square root of 4779857 is about 2186.2884073242. The cubic root of 4779857 is about 168.4502402180.

The spelling of 4779857 in words is "four million, seven hundred seventy-nine thousand, eight hundred fifty-seven".