9678765 has 16 divisors (see below), whose sum is σ = 15549696. Its totient is φ = 5140800.

The previous prime is 9678761. The next prime is 9678787. The reversal of 9678765 is 5678769.

It is not a de Polignac number, because 9678765 - 2² = 9678761 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678761) 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, 2875 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (971856).

Almost surely, 2^9678765 is an apocalyptic number.

It is an amenable number.

9678765 is a deficient number, since it is larger than the sum of its proper divisors (5870931).

9678765 is a wasteful number, since it uses less digits than its factorization.

9678765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660.

The product of its digits is 635040, while the sum is 48.

The square root of 9678765 is about 3111.0713588730. The cubic root of 9678765 is about 213.1113834777. Note that the first 3 decimals are identical.

The spelling of 9678765 in words is "nine million, six hundred seventy-eight thousand, seven hundred sixty-five".