85556170871 has 8 divisors (see below), whose sum is σ = 86224312944. Its totient is φ = 84888256960.

The previous prime is 85556170811. The next prime is 85556170877. The reversal of 85556170871 is 17807165558.

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

It is a cyclic number.

It is not a de Polignac number, because 85556170871 - 2¹⁰ = 85556169847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556170877) 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, 738995 + ... + 846891.

It is an arithmetic number, because the mean of its divisors is an integer number (10778039118).

Almost surely, 2^85556170871 is an apocalyptic number.

85556170871 is a deficient number, since it is larger than the sum of its proper divisors (668142073).

85556170871 is a wasteful number, since it uses less digits than its factorization.

85556170871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114081.

The product of its (nonzero) digits is 2352000, while the sum is 53.

The spelling of 85556170871 in words is "eighty-five billion, five hundred fifty-six million, one hundred seventy thousand, eight hundred seventy-one".