9806690756 has 12 divisors (see below), whose sum is σ = 17164683900. Its totient is φ = 4902495360.

The previous prime is 9806690749. The next prime is 9806690759. The reversal of 9806690756 is 6570966089.

It can be written as a sum of positive squares in 2 ways, for example, as 7022440000 + 2784250756 = 83800^2 + 52766^2 .

It is not an unprimeable number, because it can be changed into a prime (9806690759) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 186185 + ... + 232976.

It is an arithmetic number, because the mean of its divisors is an integer number (1430390325).

Almost surely, 2^9806690756 is an apocalyptic number.

It is an amenable number.

9806690756 is a deficient number, since it is larger than the sum of its proper divisors (7357993144).

9806690756 is a wasteful number, since it uses less digits than its factorization.

9806690756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425014 (or 425012 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 9806690756 is about 99028.7370211294. The cubic root of 9806690756 is about 2140.4618588544.

The spelling of 9806690756 in words is "nine billion, eight hundred six million, six hundred ninety thousand, seven hundred fifty-six".