9765719797955 has 64 divisors (see below), whose sum is σ = 13140318514176. Its totient is φ = 6905710080000.

The previous prime is 9765719797943. The next prime is 9765719797963. The reversal of 9765719797955 is 5597979175679.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-9765719797955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1181857154 + ... + 1181865416.

It is an arithmetic number, because the mean of its divisors is an integer number (205317476784).

Almost surely, 2^{9765719797955} is an apocalyptic number.

9765719797955 is a deficient number, since it is larger than the sum of its proper divisors (3374598716221).

9765719797955 is a wasteful number, since it uses less digits than its factorization.

9765719797955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028.

The product of its digits is 11814720750, while the sum is 86.

The spelling of 9765719797955 in words is "nine trillion, seven hundred sixty-five billion, seven hundred nineteen million, seven hundred ninety-seven thousand, nine hundred fifty-five".