85831081170552 has 96 divisors (see below), whose sum is σ = 233305419372480. Its totient is φ = 28506390232320.

The previous prime is 85831081170551. The next prime is 85831081170587. The reversal of 85831081170552 is 25507118013858.

85831081170552 is a `hidden beast` number, since 8 + 5 + 8 + 3 + 1 + 0 + 8 + 11 + 70 + 552 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85831081170551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20666902 + ... + 24470042.

It is an arithmetic number, because the mean of its divisors is an integer number (2430264785130).

Almost surely, 2^{85831081170552} is an apocalyptic number.

It is an amenable number.

85831081170552 is an abundant number, since it is smaller than the sum of its proper divisors (147474338201928).

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

85831081170552 is a wasteful number, since it uses less digits than its factorization.

85831081170552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804293 (or 3804286 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 54.

The spelling of 85831081170552 in words is "eighty-five trillion, eight hundred thirty-one billion, eighty-one million, one hundred seventy thousand, five hundred fifty-two".