85417311208 has 16 divisors (see below), whose sum is σ = 160161879780. Its totient is φ = 42707476608.

The previous prime is 85417311179. The next prime is 85417311209. The reversal of 85417311208 is 80211371458.

It can be written as a sum of positive squares in 2 ways, for example, as 82899078084 + 2518233124 = 287922^2 + 50182^2 .

It is a super-3 number, since 3×85417311208³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (85417311209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212116 + ... + 464572.

Almost surely, 2^85417311208 is an apocalyptic number.

It is an amenable number.

85417311208 is a deficient number, since it is larger than the sum of its proper divisors (74744568572).

85417311208 is a wasteful number, since it uses less digits than its factorization.

85417311208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294756 (or 294752 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 85417311208 in words is "eighty-five billion, four hundred seventeen million, three hundred eleven thousand, two hundred eight".