86544220807267 has 4 divisors (see below), whose sum is σ = 88883253802096. Its totient is φ = 84205187812440.

The previous prime is 86544220807237. The next prime is 86544220807337. The reversal of 86544220807267 is 76270802244568.

It is a happy number.

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-86544220807267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86544220807237) 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, 1169516497359 + ... + 1169516497432.

It is an arithmetic number, because the mean of its divisors is an integer number (22220813450524).

Almost surely, 2^{86544220807267} is an apocalyptic number.

86544220807267 is a deficient number, since it is larger than the sum of its proper divisors (2339032994829).

86544220807267 is a wasteful number, since it uses less digits than its factorization.

86544220807267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339032994828.

The product of its (nonzero) digits is 72253440, while the sum is 61.

The spelling of 86544220807267 in words is "eighty-six trillion, five hundred forty-four billion, two hundred twenty million, eight hundred seven thousand, two hundred sixty-seven".