9764382647 has 4 divisors (see below), whose sum is σ = 9765792336. Its totient is φ = 9762972960.

The previous prime is 9764382643. The next prime is 9764382721. The reversal of 9764382647 is 7462834679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9764382647 - 2² = 9764382643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9764382592 and 9764382601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9764382643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694403 + ... + 708324.

It is an arithmetic number, because the mean of its divisors is an integer number (2441448084).

Almost surely, 2^9764382647 is an apocalyptic number.

9764382647 is a deficient number, since it is larger than the sum of its proper divisors (1409689).

9764382647 is a wasteful number, since it uses less digits than its factorization.

9764382647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409688.

The product of its digits is 12192768, while the sum is 56.

The square root of 9764382647 is about 98814.8908161113. The cubic root of 9764382647 is about 2137.3792887020.

The spelling of 9764382647 in words is "nine billion, seven hundred sixty-four million, three hundred eighty-two thousand, six hundred forty-seven".