8478217275 has 24 divisors (see below), whose sum is σ = 15291622464. Its totient is φ = 4110650400.

The previous prime is 8478217229. The next prime is 8478217303. The reversal of 8478217275 is 5727128748.

It is not a de Polignac number, because 8478217275 - 2⁶ = 8478217211 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5137489 + ... + 5139138.

It is an arithmetic number, because the mean of its divisors is an integer number (637150936).

Almost surely, 2^8478217275 is an apocalyptic number.

8478217275 is a deficient number, since it is larger than the sum of its proper divisors (6813405189).

8478217275 is a wasteful number, since it uses less digits than its factorization.

8478217275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276651 (or 10276646 counting only the distinct ones).

The product of its digits is 1756160, while the sum is 51.

The square root of 8478217275 is about 92077.2353787840. The cubic root of 8478217275 is about 2039.0827347297.

The spelling of 8478217275 in words is "eight billion, four hundred seventy-eight million, two hundred seventeen thousand, two hundred seventy-five".