9977760975 has 108 divisors (see below), whose sum is σ = 20711346264. Its totient is φ = 4201182720.

The previous prime is 9977760901. The next prime is 9977761019. The reversal of 9977760975 is 5790677799.

9977760975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9977760975 - 2¹⁶ = 9977695439 is a prime.

It is a congruent 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 107 ways as a sum of consecutive naturals, for example, 21832947 + ... + 21833403.

Almost surely, 2^9977760975 is an apocalyptic number.

9977760975 is an abundant number, since it is smaller than the sum of its proper divisors (10733585289).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9977760975 is a wasteful number, since it uses less digits than its factorization.

9977760975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 52509870, while the sum is 66.

The square root of 9977760975 is about 99888.7429843824. The cubic root of 9977760975 is about 2152.8364204160.

The spelling of 9977760975 in words is "nine billion, nine hundred seventy-seven million, seven hundred sixty thousand, nine hundred seventy-five".