85717414218 has 32 divisors (see below), whose sum is σ = 177009131520. Its totient is φ = 27643880880.

The previous prime is 85717414217. The next prime is 85717414243. The reversal of 85717414218 is 81241471758.

It is not an unprimeable number, because it can be changed into a prime (85717414217) 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, 718171 + ... + 828977.

It is an arithmetic number, because the mean of its divisors is an integer number (5531535360).

Almost surely, 2^85717414218 is an apocalyptic number.

85717414218 is an abundant number, since it is smaller than the sum of its proper divisors (91291717302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85717414218 is a wasteful number, since it uses less digits than its factorization.

85717414218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115002.

The product of its digits is 501760, while the sum is 48.

The spelling of 85717414218 in words is "eighty-five billion, seven hundred seventeen million, four hundred fourteen thousand, two hundred eighteen".