9774905966 has 8 divisors (see below), whose sum is σ = 16756981680. Its totient is φ = 4189245408.

The previous prime is 9774905951. The next prime is 9774905983. The reversal of 9774905966 is 6695094779.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9774905899 and 9774905908.

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, 349103771 + ... + 349103798.

It is an arithmetic number, because the mean of its divisors is an integer number (2094622710).

Almost surely, 2^9774905966 is an apocalyptic number.

9774905966 is a deficient number, since it is larger than the sum of its proper divisors (6982075714).

9774905966 is a wasteful number, since it uses less digits than its factorization.

9774905966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698207578.

The product of its (nonzero) digits is 25719120, while the sum is 62.

The square root of 9774905966 is about 98868.1241149037. The cubic root of 9774905966 is about 2138.1468487054.

The spelling of 9774905966 in words is "nine billion, seven hundred seventy-four million, nine hundred five thousand, nine hundred sixty-six".