9740665478 has 16 divisors (see below), whose sum is σ = 14642331120. Its totient is φ = 4859900256.

The previous prime is 9740665471. The next prime is 9740665483. The reversal of 9740665478 is 8745660479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9740665471) 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 7 ways as a sum of consecutive naturals, for example, 3453953 + ... + 3456771.

It is an arithmetic number, because the mean of its divisors is an integer number (915145695).

Almost surely, 2^9740665478 is an apocalyptic number.

9740665478 is a deficient number, since it is larger than the sum of its proper divisors (4901665642).

9740665478 is a wasteful number, since it uses less digits than its factorization.

9740665478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The square root of 9740665478 is about 98694.8097824805. The cubic root of 9740665478 is about 2135.6473586074.

The spelling of 9740665478 in words is "nine billion, seven hundred forty million, six hundred sixty-five thousand, four hundred seventy-eight".