85834211871 has 8 divisors (see below), whose sum is σ = 114497153584. Its totient is φ = 57197039040.

The previous prime is 85834211851. The next prime is 85834211887. The reversal of 85834211871 is 17811243858.

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

It is not a de Polignac number, because 85834211871 - 2¹⁷ = 85834080799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85834211871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85834211851) 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, 6434446 + ... + 6447771.

It is an arithmetic number, because the mean of its divisors is an integer number (14312144198).

Almost surely, 2^85834211871 is an apocalyptic number.

85834211871 is a deficient number, since it is larger than the sum of its proper divisors (28662941713).

85834211871 is a wasteful number, since it uses less digits than its factorization.

85834211871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884441.

The product of its digits is 430080, while the sum is 48.

The spelling of 85834211871 in words is "eighty-five billion, eight hundred thirty-four million, two hundred eleven thousand, eight hundred seventy-one".