4578778 has 8 divisors (see below), whose sum is σ = 6951168. Its totient is φ = 2261724.

The previous prime is 4578767. The next prime is 4578811. The reversal of 4578778 is 8778754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13626 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (868896).

Almost surely, 2^4578778 is an apocalyptic number.

4578778 is a deficient number, since it is larger than the sum of its proper divisors (2372390).

4578778 is a wasteful number, since it uses less digits than its factorization.

4578778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27668.

The product of its digits is 439040, while the sum is 46.

The square root of 4578778 is about 2139.8079353063. The cubic root of 4578778 is about 166.0541991695.

It can be divided in two parts, 4578 and 778, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 4578778 in words is "four million, five hundred seventy-eight thousand, seven hundred seventy-eight".