7897843008 has 224 divisors, whose sum is σ = 25560040320. Its totient is φ = 2371461120.

The previous prime is 7897843003. The next prime is 7897843027. The reversal of 7897843008 is 8003487987.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897843003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146066 + ... + 2149742.

Almost surely, 2^7897843008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897843008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12780020160).

7897843008 is an abundant number, since it is smaller than the sum of its proper divisors (17662197312).

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

7897843008 is a wasteful number, since it uses less digits than its factorization.

7897843008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 7897843008 is about 88869.8093167753. The cubic root of 7897843008 is about 1991.4504217672.

The spelling of 7897843008 in words is "seven billion, eight hundred ninety-seven million, eight hundred forty-three thousand, eight".