8482121857 has 8 divisors (see below), whose sum is σ = 9258994080. Its totient is φ = 7706211360.

The previous prime is 8482121839. The next prime is 8482121863. The reversal of 8482121857 is 7581212848.

8482121857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8482121857 - 2¹¹ = 8482119809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8482121867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221923 + ... + 257320.

It is an arithmetic number, because the mean of its divisors is an integer number (1157374260).

Almost surely, 2^8482121857 is an apocalyptic number.

It is an amenable number.

8482121857 is a deficient number, since it is larger than the sum of its proper divisors (776872223).

8482121857 is a wasteful number, since it uses less digits than its factorization.

8482121857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480863.

The product of its digits is 286720, while the sum is 46.

The square root of 8482121857 is about 92098.4356924698. The cubic root of 8482121857 is about 2039.3957149846.

Subtracting from 8482121857 its reverse (7581212848), we obtain a palindrome (900909009).

The spelling of 8482121857 in words is "eight billion, four hundred eighty-two million, one hundred twenty-one thousand, eight hundred fifty-seven".