8478687 has 16 divisors (see below), whose sum is σ = 12978432. Its totient is φ = 4823040.

The previous prime is 8478671. The next prime is 8478689. The reversal of 8478687 is 7868748.

It is not a de Polignac number, because 8478687 - 2⁴ = 8478671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478689) 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, 4612 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (811152).

Almost surely, 2^8478687 is an apocalyptic number.

8478687 is a deficient number, since it is larger than the sum of its proper divisors (4499745).

8478687 is a wasteful number, since it uses less digits than its factorization.

8478687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838.

The product of its digits is 602112, while the sum is 48.

The square root of 8478687 is about 2911.8185039593. The cubic root of 8478687 is about 203.9120391642.

The spelling of 8478687 in words is "eight million, four hundred seventy-eight thousand, six hundred eighty-seven".