86127861271 has 4 divisors (see below), whose sum is σ = 86376068712. Its totient is φ = 85879653832.

The previous prime is 86127861241. The next prime is 86127861343. The reversal of 86127861271 is 17216872168.

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

It is a cyclic number.

It is not a de Polignac number, because 86127861271 - 2²¹ = 86125764119 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86127861241) 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, 124103200 + ... + 124103893.

It is an arithmetic number, because the mean of its divisors is an integer number (21594017178).

Almost surely, 2^86127861271 is an apocalyptic number.

86127861271 is a deficient number, since it is larger than the sum of its proper divisors (248207441).

86127861271 is a wasteful number, since it uses less digits than its factorization.

86127861271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248207440.

The product of its digits is 451584, while the sum is 49.

The spelling of 86127861271 in words is "eighty-six billion, one hundred twenty-seven million, eight hundred sixty-one thousand, two hundred seventy-one".