86502209922 has 54 divisors (see below), whose sum is σ = 188956007721. Its totient is φ = 28599896880.

The previous prime is 86502209921. The next prime is 86502209951. The reversal of 86502209922 is 22990220568.

It can be written as a sum of positive squares in 2 ways, for example, as 52281279801 + 34220930121 = 228651^2 + 184989^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=207969.

It is not an unprimeable number, because it can be changed into a prime (86502209921) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 225854143 + ... + 225854525.

Almost surely, 2^86502209922 is an apocalyptic number.

86502209922 is an abundant number, since it is smaller than the sum of its proper divisors (102453797799).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86502209922 is an equidigital number, since it uses as much as digits as its factorization.

86502209922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 86502209922 in words is "eighty-six billion, five hundred two million, two hundred nine thousand, nine hundred twenty-two".