8427021204 has 24 divisors (see below), whose sum is σ = 22472056768. Its totient is φ = 2407720320.

The previous prime is 8427021203. The next prime is 8427021233. The reversal of 8427021204 is 4021207248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8427021203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50160757 + ... + 50160924.

Almost surely, 2^8427021204 is an apocalyptic number.

8427021204 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8427021204 is an abundant number, since it is smaller than the sum of its proper divisors (14045035564).

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

8427021204 is a wasteful number, since it uses less digits than its factorization.

8427021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100321695 (or 100321693 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 8427021204 is about 91798.8082929185. The cubic root of 8427021204 is about 2034.9700832110.

The spelling of 8427021204 in words is "eight billion, four hundred twenty-seven million, twenty-one thousand, two hundred four".