9723509966077 has 4 divisors (see below), whose sum is σ = 9723533225056. Its totient is φ = 9723486707100.

The previous prime is 9723509966039. The next prime is 9723509966081. The reversal of 9723509966077 is 7706699053279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9723509966077 - 2¹⁵ = 9723509933309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9723509965997 and 9723509966015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723509766077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10990713 + ... + 11842414.

It is an arithmetic number, because the mean of its divisors is an integer number (2430883306264).

Almost surely, 2^{9723509966077} is an apocalyptic number.

It is an amenable number.

9723509966077 is a deficient number, since it is larger than the sum of its proper divisors (23258979).

9723509966077 is a wasteful number, since it uses less digits than its factorization.

9723509966077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23258978.

The product of its (nonzero) digits is 270050760, while the sum is 70.

The spelling of 9723509966077 in words is "nine trillion, seven hundred twenty-three billion, five hundred nine million, nine hundred sixty-six thousand, seventy-seven".