8653840902 has 216 divisors, whose sum is σ = 23249716776. Its totient is φ = 2407309632.

The previous prime is 8653840891. The next prime is 8653840907. The reversal of 8653840902 is 2090483568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8653840907) 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 107 ways as a sum of consecutive naturals, for example, 27647898 + ... + 27648210.

Almost surely, 2^8653840902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8653840902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11624858388).

8653840902 is an abundant number, since it is smaller than the sum of its proper divisors (14595875874).

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

8653840902 is an equidigital number, since it uses as much as digits as its factorization.

8653840902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8653840902 is about 93026.0227140772. The cubic root of 8653840902 is about 2053.0662740943.

The spelling of 8653840902 in words is "eight billion, six hundred fifty-three million, eight hundred forty thousand, nine hundred two".