86636550836 has 24 divisors (see below), whose sum is σ = 165405688896. Its totient is φ = 39378193920.

The previous prime is 86636550827. The next prime is 86636550851. The reversal of 86636550836 is 63805563668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080980 + ... + 1158356.

It is an arithmetic number, because the mean of its divisors is an integer number (6891903704).

Almost surely, 2^86636550836 is an apocalyptic number.

It is an amenable number.

86636550836 is a deficient number, since it is larger than the sum of its proper divisors (78769138060).

86636550836 is a wasteful number, since it uses less digits than its factorization.

86636550836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102839 (or 102837 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 86636550836 in words is "eighty-six billion, six hundred thirty-six million, five hundred fifty thousand, eight hundred thirty-six".