86596810209 has 72 divisors (see below), whose sum is σ = 161600389920. Its totient is φ = 45677320416.

The previous prime is 86596810199. The next prime is 86596810211. The reversal of 86596810209 is 90201869568.

It is a happy number.

It is not a de Polignac number, because 86596810209 - 2⁸ = 86596809953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86596810009) 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 71 ways as a sum of consecutive naturals, for example, 29934 + ... + 417240.

It is an arithmetic number, because the mean of its divisors is an integer number (2244449860).

Almost surely, 2^86596810209 is an apocalyptic number.

It is an amenable number.

86596810209 is a deficient number, since it is larger than the sum of its proper divisors (75003579711).

86596810209 is a wasteful number, since it uses less digits than its factorization.

86596810209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387356 (or 387330 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 86596810209 in words is "eighty-six billion, five hundred ninety-six million, eight hundred ten thousand, two hundred nine".