8478655 has 16 divisors (see below), whose sum is σ = 11059200. Its totient is φ = 6216480.

The previous prime is 8478653. The next prime is 8478667. The reversal of 8478655 is 5568748.

It is not a de Polignac number, because 8478655 - 2¹ = 8478653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478653) 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, 1506 + ... + 4384.

It is an arithmetic number, because the mean of its divisors is an integer number (691200).

Almost surely, 2^8478655 is an apocalyptic number.

8478655 is a deficient number, since it is larger than the sum of its proper divisors (2580545).

8478655 is a wasteful number, since it uses less digits than its factorization.

8478655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934.

The product of its digits is 268800, while the sum is 43.

The square root of 8478655 is about 2911.8130091062. The cubic root of 8478655 is about 203.9117826310.

The spelling of 8478655 in words is "eight million, four hundred seventy-eight thousand, six hundred fifty-five".