86443722143 has 4 divisors (see below), whose sum is σ = 86477087808. Its totient is φ = 86410356480.

The previous prime is 86443722133. The next prime is 86443722179. The reversal of 86443722143 is 34122734468.

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 86443722143 - 2¹⁴ = 86443705759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86443722094 and 86443722103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86443722103) 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, 16678946 + ... + 16684127.

It is an arithmetic number, because the mean of its divisors is an integer number (21619271952).

Almost surely, 2^86443722143 is an apocalyptic number.

86443722143 is a deficient number, since it is larger than the sum of its proper divisors (33365665).

86443722143 is a wasteful number, since it uses less digits than its factorization.

86443722143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33365664.

The product of its digits is 774144, while the sum is 44.

The spelling of 86443722143 in words is "eighty-six billion, four hundred forty-three million, seven hundred twenty-two thousand, one hundred forty-three".