85318647 has 8 divisors (see below), whose sum is σ = 113821056. Its totient is φ = 56847672.

The previous prime is 85318643. The next prime is 85318669. The reversal of 85318647 is 74681358.

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

It is not a de Polignac number, because 85318647 - 2² = 85318643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85318599 and 85318608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85318643) 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, 553 + ... + 13074.

It is an arithmetic number, because the mean of its divisors is an integer number (14227632).

Almost surely, 2^85318647 is an apocalyptic number.

85318647 is a deficient number, since it is larger than the sum of its proper divisors (28502409).

85318647 is a wasteful number, since it uses less digits than its factorization.

85318647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717.

The product of its digits is 161280, while the sum is 42.

The square root of 85318647 is about 9236.8093517188. The cubic root of 85318647 is about 440.2317081930.

The spelling of 85318647 in words is "eighty-five million, three hundred eighteen thousand, six hundred forty-seven".