9755920978 has 8 divisors (see below), whose sum is σ = 14640029568. Its totient is φ = 4875911124.

The previous prime is 9755920973. The next prime is 9755921023. The reversal of 9755920978 is 8790295579.

9755920978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (9755920973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018726 + ... + 1028257.

It is an arithmetic number, because the mean of its divisors is an integer number (1830003696).

Almost surely, 2^9755920978 is an apocalyptic number.

9755920978 is a deficient number, since it is larger than the sum of its proper divisors (4884108590).

9755920978 is a wasteful number, since it uses less digits than its factorization.

9755920978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049368.

The product of its (nonzero) digits is 14288400, while the sum is 61.

The square root of 9755920978 is about 98772.0657777289. The cubic root of 9755920978 is about 2136.7617032204.

The spelling of 9755920978 in words is "nine billion, seven hundred fifty-five million, nine hundred twenty thousand, nine hundred seventy-eight".