7899448308 has 24 divisors (see below), whose sum is σ = 18654121248. Its totient is φ = 2601424416.

The previous prime is 7899448289. The next prime is 7899448309. The reversal of 7899448308 is 8038449987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899448309) 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 7 ways as a sum of consecutive naturals, for example, 3964591 + ... + 3966582.

It is an arithmetic number, because the mean of its divisors is an integer number (777255052).

Almost surely, 2^7899448308 is an apocalyptic number.

It is an amenable number.

7899448308 is an abundant number, since it is smaller than the sum of its proper divisors (10754672940).

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

7899448308 is a wasteful number, since it uses less digits than its factorization.

7899448308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931263 (or 7931261 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The square root of 7899448308 is about 88878.8406089998. The cubic root of 7899448308 is about 1991.5853387222.

The spelling of 7899448308 in words is "seven billion, eight hundred ninety-nine million, four hundred forty-eight thousand, three hundred eight".