4778475 has 48 divisors (see below), whose sum is σ = 8853600. Its totient is φ = 2271360.

The previous prime is 4778467. The next prime is 4778483. The reversal of 4778475 is 5748774.

It is an interprime number because it is at equal distance from previous prime (4778467) and next prime (4778483).

It is not a de Polignac number, because 4778475 - 2³ = 4778467 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 164761 + ... + 164789.

It is an arithmetic number, because the mean of its divisors is an integer number (184450).

Almost surely, 2^4778475 is an apocalyptic number.

4778475 is a deficient number, since it is larger than the sum of its proper divisors (4075125).

4778475 is a wasteful number, since it uses less digits than its factorization.

4778475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 50 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 4778475 is about 2185.9723237040. The cubic root of 4778475 is about 168.4340039811.

Subtracting 4778475 from its reverse (5748774), we obtain a cube (970299 = 99³).

It can be divided in two parts, 4778 and 475, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 4778475 in words is "four million, seven hundred seventy-eight thousand, four hundred seventy-five".