8517385471 has 8 divisors (see below), whose sum is σ = 9736482944. Its totient is φ = 7298870040.

The previous prime is 8517385453. The next prime is 8517385477. The reversal of 8517385471 is 1745837158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8517385471 - 2⁷ = 8517385343 is a prime.

It is a super-3 number, since 3×8517385471³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8517385477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113685 + ... + 173086.

It is an arithmetic number, because the mean of its divisors is an integer number (1217060368).

Almost surely, 2^8517385471 is an apocalyptic number.

8517385471 is a deficient number, since it is larger than the sum of its proper divisors (1219097473).

8517385471 is a wasteful number, since it uses less digits than its factorization.

8517385471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291021.

The product of its digits is 940800, while the sum is 49.

The square root of 8517385471 is about 92289.6823648234. The cubic root of 8517385471 is about 2042.2180052911.

The spelling of 8517385471 in words is "eight billion, five hundred seventeen million, three hundred eighty-five thousand, four hundred seventy-one".