86721844341 has 16 divisors (see below), whose sum is σ = 126150193728. Its totient is φ = 52554806400.

The previous prime is 86721844271. The next prime is 86721844477. The reversal of 86721844341 is 14344812768.

It is not a de Polignac number, because 86721844341 - 2¹⁵ = 86721811573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86721854341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392625 + ... + 572361.

It is an arithmetic number, because the mean of its divisors is an integer number (7884387108).

Almost surely, 2^86721844341 is an apocalyptic number.

It is an amenable number.

86721844341 is a deficient number, since it is larger than the sum of its proper divisors (39428349387).

86721844341 is a wasteful number, since it uses less digits than its factorization.

86721844341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194372.

The product of its digits is 1032192, while the sum is 48.

The spelling of 86721844341 in words is "eighty-six billion, seven hundred twenty-one million, eight hundred forty-four thousand, three hundred forty-one".