10385647688 has 64 divisors (see below), whose sum is σ = 21304684800. Its totient is φ = 4717359360.

The previous prime is 10385647681. The next prime is 10385647691. The reversal of 10385647688 is 88674658301.

It is not an unprimeable number, because it can be changed into a prime (10385647681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6076178 + ... + 6077886.

It is an arithmetic number, because the mean of its divisors is an integer number (332885700).

Almost surely, 2^10385647688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10385647688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10652342400).

10385647688 is an abundant number, since it is smaller than the sum of its proper divisors (10919037112).

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

10385647688 is a wasteful number, since it uses less digits than its factorization.

10385647688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2622 (or 2618 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 10385647688 in words is "ten billion, three hundred eighty-five million, six hundred forty-seven thousand, six hundred eighty-eight".