7997230208 has 128 divisors (see below), whose sum is σ = 18284797440. Its totient is φ = 3450470400.

The previous prime is 7997230187. The next prime is 7997230279. The reversal of 7997230208 is 8020327997.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311616 + ... + 2315072.

It is an arithmetic number, because the mean of its divisors is an integer number (142849980).

Almost surely, 2^7997230208 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 7997230208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9142398720).

7997230208 is an abundant number, since it is smaller than the sum of its proper divisors (10287567232).

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

7997230208 is a wasteful number, since it uses less digits than its factorization.

7997230208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 7997230208 is about 89427.2341515715. The cubic root of 7997230208 is about 1999.7691573569.

The spelling of 7997230208 in words is "seven billion, nine hundred ninety-seven million, two hundred thirty thousand, two hundred eight".