4778471 has 4 divisors (see below), whose sum is σ = 4783344. Its totient is φ = 4773600.

The previous prime is 4778467. The next prime is 4778483. The reversal of 4778471 is 1748774.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1748774 = 2 ⋅874387.

It is a cyclic number.

It is not a de Polignac number, because 4778471 - 2² = 4778467 is a prime.

It is a super-3 number, since 3×4778471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395 + ... + 3116.

It is an arithmetic number, because the mean of its divisors is an integer number (1195836).

Almost surely, 2^4778471 is an apocalyptic number.

4778471 is a deficient number, since it is larger than the sum of its proper divisors (4873).

4778471 is a wasteful number, since it uses less digits than its factorization.

4778471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872.

The product of its digits is 43904, while the sum is 38.

The square root of 4778471 is about 2185.9714087792. The cubic root of 4778471 is about 168.4339569831.

The spelling of 4778471 in words is "four million, seven hundred seventy-eight thousand, four hundred seventy-one".