8423856036 has 48 divisors (see below), whose sum is σ = 22989086400. Its totient is φ = 2660164416.

The previous prime is 8423856029. The next prime is 8423856041. The reversal of 8423856036 is 6306583248.

It is a happy number.

8423856036 is a `hidden beast` number, since 8 + 4 + 2 + 38 + 5 + 603 + 6 = 666.

It is a super-2 number, since 2×8423856036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8423855982 and 8423856000.

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 15 ways as a sum of consecutive naturals, for example, 2050545 + ... + 2054648.

It is an arithmetic number, because the mean of its divisors is an integer number (478939300).

Almost surely, 2^8423856036 is an apocalyptic number.

It is an amenable number.

8423856036 is an abundant number, since it is smaller than the sum of its proper divisors (14565230364).

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

8423856036 is a wasteful number, since it uses less digits than its factorization.

8423856036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105225 (or 4105217 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 8423856036 is about 91781.5669728949. The cubic root of 8423856036 is about 2034.7152747557.

The spelling of 8423856036 in words is "eight billion, four hundred twenty-three million, eight hundred fifty-six thousand, thirty-six".