86005637243 has 4 divisors (see below), whose sum is σ = 86105761080. Its totient is φ = 85905513408.

The previous prime is 86005637239. The next prime is 86005637279. The reversal of 86005637243 is 34273650068.

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 86005637243 - 2² = 86005637239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86005637194 and 86005637203.

It is not an unprimeable number, because it can be changed into a prime (86005637203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50060630 + ... + 50062347.

It is an arithmetic number, because the mean of its divisors is an integer number (21526440270).

Almost surely, 2^86005637243 is an apocalyptic number.

86005637243 is a deficient number, since it is larger than the sum of its proper divisors (100123837).

86005637243 is a wasteful number, since it uses less digits than its factorization.

86005637243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100123836.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 86005637243 in words is "eighty-six billion, five million, six hundred thirty-seven thousand, two hundred forty-three".