9866775092 has 6 divisors (see below), whose sum is σ = 17266856418. Its totient is φ = 4933387544.

The previous prime is 9866775047. The next prime is 9866775101. The reversal of 9866775092 is 2905776689.

It can be written as a sum of positive squares in only one way, i.e., 8872886416 + 993888676 = 94196^2 + 31526^2 .

It is a super-2 number, since 2×9866775092² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1233346883 + ... + 1233346890.

It is an arithmetic number, because the mean of its divisors is an integer number (2877809403).

Almost surely, 2^9866775092 is an apocalyptic number.

It is an amenable number.

9866775092 is a deficient number, since it is larger than the sum of its proper divisors (7400081326).

9866775092 is a wasteful number, since it uses less digits than its factorization.

9866775092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466693777 (or 2466693775 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The square root of 9866775092 is about 99331.6419475688. The cubic root of 9866775092 is about 2144.8244064163.

The spelling of 9866775092 in words is "nine billion, eight hundred sixty-six million, seven hundred seventy-five thousand, ninety-two".