4778383 has 2 divisors, whose sum is σ = 4778384. Its totient is φ = 4778382.

The previous prime is 4778381. The next prime is 4778387. The reversal of 4778383 is 3838774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4778383 - 2¹ = 4778381 is a prime.

Together with 4778381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4778381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2389191 + 2389192.

It is an arithmetic number, because the mean of its divisors is an integer number (2389192).

Almost surely, 2^4778383 is an apocalyptic number.

4778383 is a deficient number, since it is larger than the sum of its proper divisors (1).

4778383 is an equidigital number, since it uses as much as digits as its factorization.

4778383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 4778383 is about 2185.9512803354. The cubic root of 4778383 is about 168.4329230206.

The spelling of 4778383 in words is "four million, seven hundred seventy-eight thousand, three hundred eighty-three".