8497889856 has 189 divisors, whose sum is σ = 25616125171. Its totient is φ = 2693247744.

The previous prime is 8497889843. The next prime is 8497889857. The reversal of 8497889856 is 6589887948.

The square root of 8497889856 is 92184.

It is a perfect power (a square), and thus also a powerful number.

8497889856 is a `hidden beast` number, since 8 + 497 + 8 + 89 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8497889857) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 50885485 + ... + 50885651.

Almost surely, 2^8497889856 is an apocalyptic number.

8497889856 is the 92184-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8497889856

8497889856 is an abundant number, since it is smaller than the sum of its proper divisors (17118235315).

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

8497889856 is a wasteful number, since it uses less digits than its factorization.

8497889856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 195 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 72.

The cubic root of 8497889856 is about 2040.6586569813.

The spelling of 8497889856 in words is "eight billion, four hundred ninety-seven million, eight hundred eighty-nine thousand, eight hundred fifty-six".