7851574848 has 448 divisors, whose sum is σ = 25168969728. Its totient is φ = 2136637440.

The previous prime is 7851574847. The next prime is 7851574853. The reversal of 7851574848 is 8484751587.

It is not an unprimeable number, because it can be changed into a prime (7851574847) 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 63 ways as a sum of consecutive naturals, for example, 61823361 + ... + 61823487.

It is an arithmetic number, because the mean of its divisors is an integer number (56180736).

Almost surely, 2^7851574848 is an apocalyptic number.

7851574848 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7851574848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12584484864).

7851574848 is an abundant number, since it is smaller than the sum of its proper divisors (17317394880).

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

7851574848 is a wasteful number, since it uses less digits than its factorization.

7851574848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 240 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 57.

The square root of 7851574848 is about 88609.1126690703. The cubic root of 7851574848 is about 1987.5539458638.

The spelling of 7851574848 in words is "seven billion, eight hundred fifty-one million, five hundred seventy-four thousand, eight hundred forty-eight".