9951706775 has 12 divisors (see below), whose sum is σ = 12349641864. Its totient is φ = 7955220000.

The previous prime is 9951706771. The next prime is 9951706777. The reversal of 9951706775 is 5776071599.

It is not a de Polignac number, because 9951706775 - 2² = 9951706771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9951706775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9951706771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120461 + ... + 185510.

It is an arithmetic number, because the mean of its divisors is an integer number (1029136822).

Almost surely, 2^9951706775 is an apocalyptic number.

9951706775 is a deficient number, since it is larger than the sum of its proper divisors (2397935089).

9951706775 is a wasteful number, since it uses less digits than its factorization.

9951706775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307282 (or 307277 counting only the distinct ones).

The product of its (nonzero) digits is 4167450, while the sum is 56.

The square root of 9951706775 is about 99758.2416394756. The cubic root of 9951706775 is about 2150.9609387533.

The spelling of 9951706775 in words is "nine billion, nine hundred fifty-one million, seven hundred six thousand, seven hundred seventy-five".