86143829317 has 54 divisors (see below), whose sum is σ = 112045434774. Its totient is φ = 65643379200.

The previous prime is 86143829279. The next prime is 86143829333. The reversal of 86143829317 is 71392834168.

It can be written as a sum of positive squares in 9 ways, for example, as 1272991041 + 84870838276 = 35679^2 + 291326^2 .

It is not a de Polignac number, because 86143829317 - 2¹⁵ = 86143796549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86143839317) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 214822317 + ... + 214822717.

Almost surely, 2^86143829317 is an apocalyptic number.

It is an amenable number.

86143829317 is a deficient number, since it is larger than the sum of its proper divisors (25901605457).

86143829317 is an equidigital number, since it uses as much as digits as its factorization.

86143829317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 450 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

Multiplying 86143829317 by its sum of digits (52), we get a square (4479479124484 = 2116478²).

The spelling of 86143829317 in words is "eighty-six billion, one hundred forty-three million, eight hundred twenty-nine thousand, three hundred seventeen".