4777385 has 4 divisors (see below), whose sum is σ = 5732868. Its totient is φ = 3821904.

The previous prime is 4777363. The next prime is 4777433. The reversal of 4777385 is 5837774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5837774 = 2 ⋅2918887.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 1968409 = 1676^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 4777385 - 2¹² = 4773289 is a prime.

It is a d-powerful number, because it can be written as 4⁹ + 7² + 7² + 7⁷ + 3¹³ + 8⁷ + 5³ .

It is a Duffinian number.

It is an unprimeable number.

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, 477734 + ... + 477743.

It is an arithmetic number, because the mean of its divisors is an integer number (1433217).

Almost surely, 2^4777385 is an apocalyptic number.

It is an amenable number.

4777385 is a deficient number, since it is larger than the sum of its proper divisors (955483).

4777385 is an equidigital number, since it uses as much as digits as its factorization.

4777385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955482.

The product of its digits is 164640, while the sum is 41.

The square root of 4777385 is about 2185.7229925130. The cubic root of 4777385 is about 168.4211960576.

The spelling of 4777385 in words is "four million, seven hundred seventy-seven thousand, three hundred eighty-five".