86636588056 has 32 divisors (see below), whose sum is σ = 171036936000. Its totient is φ = 41027903136.

The previous prime is 86636588053. The next prime is 86636588081. The reversal of 86636588056 is 65088563668.

It is a junction number, because it is equal to n+sod(n) for n = 86636587985 and 86636588003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86636588053) 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 7 ways as a sum of consecutive naturals, for example, 541335 + ... + 682873.

It is an arithmetic number, because the mean of its divisors is an integer number (5344904250).

Almost surely, 2^86636588056 is an apocalyptic number.

It is an amenable number.

86636588056 is a deficient number, since it is larger than the sum of its proper divisors (84400347944).

86636588056 is a wasteful number, since it uses less digits than its factorization.

86636588056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145591 (or 145587 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 61.

The spelling of 86636588056 in words is "eighty-six billion, six hundred thirty-six million, five hundred eighty-eight thousand, fifty-six".