8478255 has 16 divisors (see below), whose sum is σ = 13609440. Its totient is φ = 4507008.

The previous prime is 8478209. The next prime is 8478259. The reversal of 8478255 is 5528748.

8478255 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8478255 - 2⁸ = 8477999 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5109 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (850590).

Almost surely, 2^8478255 is an apocalyptic number.

8478255 is a deficient number, since it is larger than the sum of its proper divisors (5131185).

8478255 is a wasteful number, since it uses less digits than its factorization.

8478255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850.

The product of its digits is 89600, while the sum is 39.

The square root of 8478255 is about 2911.7443225668. The cubic root of 8478255 is about 203.9085759119.

The spelling of 8478255 in words is "eight million, four hundred seventy-eight thousand, two hundred fifty-five".