8478955 has 16 divisors (see below), whose sum is σ = 10533600. Its totient is φ = 6547968.

The previous prime is 8478947. The next prime is 8478961. The reversal of 8478955 is 5598748.

It is a cyclic number.

It is not a de Polignac number, because 8478955 - 2³ = 8478947 is a prime.

8478955 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24121 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (658350).

Almost surely, 2^8478955 is an apocalyptic number.

8478955 is a deficient number, since it is larger than the sum of its proper divisors (2054645).

8478955 is a wasteful number, since it uses less digits than its factorization.

8478955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its digits is 403200, while the sum is 46.

The square root of 8478955 is about 2911.8645229475. The cubic root of 8478955 is about 203.9141876042.

The spelling of 8478955 in words is "eight million, four hundred seventy-eight thousand, nine hundred fifty-five".