8478873 has 12 divisors (see below), whose sum is σ = 13189540. Its totient is φ = 5217696.

The previous prime is 8478863. The next prime is 8478889. The reversal of 8478873 is 3788748.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 7551504 = 963^2 + 2748^2 .

It is not a de Polignac number, because 8478873 - 2⁹ = 8478361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8478803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36118 + ... + 36351.

Almost surely, 2^8478873 is an apocalyptic number.

It is an amenable number.

8478873 is a deficient number, since it is larger than the sum of its proper divisors (4710667).

8478873 is a wasteful number, since it uses less digits than its factorization.

8478873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72488 (or 72485 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 8478873 is about 2911.8504425880. The cubic root of 8478873 is about 203.9135302505.

The spelling of 8478873 in words is "eight million, four hundred seventy-eight thousand, eight hundred seventy-three".