9660787 has 4 divisors (see below), whose sum is σ = 9843120. Its totient is φ = 9478456.

The previous prime is 9660769. The next prime is 9660817. The reversal of 9660787 is 7870669.

9660787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7870669 = 23 ⋅342203.

It is a cyclic number.

It is not a de Polignac number, because 9660787 - 2⁷ = 9660659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9660727) 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 3 ways as a sum of consecutive naturals, for example, 91087 + ... + 91192.

It is an arithmetic number, because the mean of its divisors is an integer number (2460780).

Almost surely, 2^9660787 is an apocalyptic number.

9660787 is a deficient number, since it is larger than the sum of its proper divisors (182333).

9660787 is a wasteful number, since it uses less digits than its factorization.

9660787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182332.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 9660787 is about 3108.1806575552. The cubic root of 9660787 is about 212.9793524770.

The spelling of 9660787 in words is "nine million, six hundred sixty thousand, seven hundred eighty-seven".