9977702705569 has 16 divisors (see below), whose sum is σ = 10563848755200. Its totient is φ = 9409837927680.

The previous prime is 9977702705533. The next prime is 9977702705573. The reversal of 9977702705569 is 9655072077799.

It is a cyclic number.

It is not a de Polignac number, because 9977702705569 - 2¹⁹ = 9977702181281 is a prime.

It is a super-2 number, since 2×9977702705569² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9977702705869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14356044 + ... + 15035005.

It is an arithmetic number, because the mean of its divisors is an integer number (660240547200).

Almost surely, 2^{9977702705569} is an apocalyptic number.

It is an amenable number.

9977702705569 is a deficient number, since it is larger than the sum of its proper divisors (586146049631).

9977702705569 is a wasteful number, since it uses less digits than its factorization.

9977702705569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391360.

The product of its (nonzero) digits is 525098700, while the sum is 73.

The spelling of 9977702705569 in words is "nine trillion, nine hundred seventy-seven billion, seven hundred two million, seven hundred five thousand, five hundred sixty-nine".