8427940900 has 18 divisors (see below), whose sum is σ = 18288631970. Its totient is φ = 3371176320.

The previous prime is 8427940883. The next prime is 8427940901. The reversal of 8427940900 is 90497248.

It can be written as a sum of positive squares in 3 ways, for example, as 164403684 + 8263537216 = 12822^2 + 90904^2 .

It is not an unprimeable number, because it can be changed into a prime (8427940901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42139605 + ... + 42139804.

Almost surely, 2^8427940900 is an apocalyptic number.

It is an amenable number.

8427940900 is an abundant number, since it is smaller than the sum of its proper divisors (9860691070).

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

8427940900 is a wasteful number, since it uses less digits than its factorization.

8427940900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84279423 (or 84279416 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 8427940900 is about 91803.8174587528. The cubic root of 8427940900 is about 2035.0441103877.

The spelling of 8427940900 in words is "eight billion, four hundred twenty-seven million, nine hundred forty thousand, nine hundred".