86411205892189 has 4 divisors (see below), whose sum is σ = 86424194205756. Its totient is φ = 86398217578624.

The previous prime is 86411205892177. The next prime is 86411205892199. The reversal of 86411205892189 is 98129850211468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32100349124089 + 54310856768100 = 5665717^2 + 7369590^2 .

It is a cyclic number.

It is not a de Polignac number, because 86411205892189 - 2⁷ = 86411205892061 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 86411205892189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86411205892139) 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, 6494146804 + ... + 6494160109.

It is an arithmetic number, because the mean of its divisors is an integer number (21606048551439).

Almost surely, 2^{86411205892189} is an apocalyptic number.

It is an amenable number.

86411205892189 is a deficient number, since it is larger than the sum of its proper divisors (12988313567).

86411205892189 is a wasteful number, since it uses less digits than its factorization.

86411205892189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988313566.

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 86411205892189 in words is "eighty-six trillion, four hundred eleven billion, two hundred five million, eight hundred ninety-two thousand, one hundred eighty-nine".