85710174168 has 64 divisors (see below), whose sum is σ = 221470110720. Its totient is φ = 27613123200.

The previous prime is 85710174149. The next prime is 85710174197. The reversal of 85710174168 is 86147101758.

It is a Cunningham number, because it is equal to 292763²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512338 + ... + 658718.

It is an arithmetic number, because the mean of its divisors is an integer number (3460470480).

Almost surely, 2^85710174168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85710174168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110735055360).

85710174168 is an abundant number, since it is smaller than the sum of its proper divisors (135759936552).

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

85710174168 is a wasteful number, since it uses less digits than its factorization.

85710174168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147208 (or 147204 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 85710174168 in words is "eighty-five billion, seven hundred ten million, one hundred seventy-four thousand, one hundred sixty-eight".