86743797529 has 3 divisors (see below), whose sum is σ = 86744092053. Its totient is φ = 86743503006.

The previous prime is 86743797523. The next prime is 86743797541. The reversal of 86743797529 is 92579734768.

The square root of 86743797529 is 294523.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 86743797529 - 2⁹ = 86743797017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86743797523) 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 2 ways as a sum of consecutive naturals, for example, 147262 + ... + 441784.

It is an arithmetic number, because the mean of its divisors is an integer number (28914697351).

Almost surely, 2^86743797529 is an apocalyptic number.

86743797529 is the 294523-rd square number.

86743797529 is the 147262-nd centered octagonal number.

It is an amenable number.

86743797529 is a deficient number, since it is larger than the sum of its proper divisors (294524).

86743797529 is an frugal number, since it uses more digits than its factorization.

86743797529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589046 (or 294523 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 67.

The spelling of 86743797529 in words is "eighty-six billion, seven hundred forty-three million, seven hundred ninety-seven thousand, five hundred twenty-nine".