9723509966078 has 8 divisors (see below), whose sum is σ = 14924457157368. Its totient is φ = 4748690913624.

The previous prime is 9723509966039. The next prime is 9723509966081. The reversal of 9723509966078 is 8706699053279.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56532034601 + ... + 56532034772.

It is an arithmetic number, because the mean of its divisors is an integer number (1865557144671).

Almost surely, 2^{9723509966078} is an apocalyptic number.

9723509966078 is a deficient number, since it is larger than the sum of its proper divisors (5200947191290).

9723509966078 is a wasteful number, since it uses less digits than its factorization.

9723509966078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113064069418.

The product of its (nonzero) digits is 308629440, while the sum is 71.

The spelling of 9723509966078 in words is "nine trillion, seven hundred twenty-three billion, five hundred nine million, nine hundred sixty-six thousand, seventy-eight".