86520863323 has 4 divisors (see below), whose sum is σ = 87812219560. Its totient is φ = 85229507088.

The previous prime is 86520863309. The next prime is 86520863327. The reversal of 86520863323 is 32336802568.

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 86520863323 - 2⁹ = 86520862811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86520863327) 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, 645678018 + ... + 645678151.

It is an arithmetic number, because the mean of its divisors is an integer number (21953054890).

Almost surely, 2^86520863323 is an apocalyptic number.

86520863323 is a deficient number, since it is larger than the sum of its proper divisors (1291356237).

86520863323 is a wasteful number, since it uses less digits than its factorization.

86520863323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291356236.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 86520863323 in words is "eighty-six billion, five hundred twenty million, eight hundred sixty-three thousand, three hundred twenty-three".