86218975852 has 12 divisors (see below), whose sum is σ = 157443347376. Its totient is φ = 41235162320.

The previous prime is 86218975849. The next prime is 86218975877. The reversal of 86218975852 is 25857981268.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468581299 + ... + 468581482.

It is an arithmetic number, because the mean of its divisors is an integer number (13120278948).

Almost surely, 2^86218975852 is an apocalyptic number.

It is an amenable number.

86218975852 is a deficient number, since it is larger than the sum of its proper divisors (71224371524).

86218975852 is a wasteful number, since it uses less digits than its factorization.

86218975852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937162808 (or 937162806 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 61.

The spelling of 86218975852 in words is "eighty-six billion, two hundred eighteen million, nine hundred seventy-five thousand, eight hundred fifty-two".