86211270071 has 4 divisors (see below), whose sum is σ = 86331175200. Its totient is φ = 86091364944.

The previous prime is 86211270059. The next prime is 86211270091. The reversal of 86211270071 is 17007211268.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86211270071 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 (86211270091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59951486 + ... + 59952923.

It is an arithmetic number, because the mean of its divisors is an integer number (21582793800).

Almost surely, 2^86211270071 is an apocalyptic number.

86211270071 is a deficient number, since it is larger than the sum of its proper divisors (119905129).

86211270071 is a wasteful number, since it uses less digits than its factorization.

86211270071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119905128.

The product of its (nonzero) digits is 9408, while the sum is 35.

The spelling of 86211270071 in words is "eighty-six billion, two hundred eleven million, two hundred seventy thousand, seventy-one".