86043517841 has 4 divisors (see below), whose sum is σ = 86403532800. Its totient is φ = 85683502884.

The previous prime is 86043517829. The next prime is 86043517877. The reversal of 86043517841 is 14871534068.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86043517841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86043517801) 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, 180007121 + ... + 180007598.

It is an arithmetic number, because the mean of its divisors is an integer number (21600883200).

Almost surely, 2^86043517841 is an apocalyptic number.

It is an amenable number.

86043517841 is a deficient number, since it is larger than the sum of its proper divisors (360014959).

86043517841 is a wasteful number, since it uses less digits than its factorization.

86043517841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360014958.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 86043517841 in words is "eighty-six billion, forty-three million, five hundred seventeen thousand, eight hundred forty-one".