8427841236 has 96 divisors (see below), whose sum is σ = 22006978560. Its totient is φ = 2789186400.

The previous prime is 8427841231. The next prime is 8427841243. The reversal of 8427841236 is 6321487248.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8427841191 and 8427841200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427841231) 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 31 ways as a sum of consecutive naturals, for example, 15407115 + ... + 15407661.

It is an arithmetic number, because the mean of its divisors is an integer number (229239360).

Almost surely, 2^8427841236 is an apocalyptic number.

It is an amenable number.

8427841236 is an abundant number, since it is smaller than the sum of its proper divisors (13579137324).

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

8427841236 is a wasteful number, since it uses less digits than its factorization.

8427841236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1314 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 8427841236 is about 91803.2746474765. The cubic root of 8427841236 is about 2035.0360886009.

The spelling of 8427841236 in words is "eight billion, four hundred twenty-seven million, eight hundred forty-one thousand, two hundred thirty-six".