86636585536 has 28 divisors (see below), whose sum is σ = 174833371440.
Its totient is φ = 42584082560.
The previous prime is 86636585533. The next prime is 86636585551. The reversal of 86636585536 is 63558563668.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (86636585533) 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, 11468230 + ... + 11475781.
It is an arithmetic number, because the mean of its divisors is an integer number (6244048980).
Almost surely, 286636585536 is an apocalyptic number.
It is an amenable number.
86636585536 is an abundant number, since it is smaller than the sum of its proper divisors (88196785904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86636585536 is a wasteful number, since it uses less digits than its factorization.
86636585536 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22944082 (or 22944072 counting only the distinct ones).
The product of its digits is 93312000, while the sum is 61.
The spelling of 86636585536 in words is "eighty-six billion, six hundred thirty-six million, five hundred eighty-five thousand, five hundred thirty-six".