4784779 has 4 divisors (see below), whose sum is σ = 4863280. Its totient is φ = 4706280.

The previous prime is 4784777. The next prime is 4784807. The reversal of 4784779 is 9774874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9774874 = 2 ⋅4887437.

It is a cyclic number.

It is not a de Polignac number, because 4784779 - 2¹ = 4784777 is a prime.

It is a super-2 number, since 2×4784779² = 45788220157682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4784777) 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, 39159 + ... + 39280.

It is an arithmetic number, because the mean of its divisors is an integer number (1215820).

Almost surely, 2^4784779 is an apocalyptic number.

4784779 is a deficient number, since it is larger than the sum of its proper divisors (78501).

4784779 is an equidigital number, since it uses as much as digits as its factorization.

4784779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78500.

The product of its digits is 395136, while the sum is 46.

The square root of 4784779 is about 2187.4137697290. The cubic root of 4784779 is about 168.5080402495.

The spelling of 4784779 in words is "four million, seven hundred eighty-four thousand, seven hundred seventy-nine".