9661087796 has 12 divisors (see below), whose sum is σ = 16907771748. Its totient is φ = 4830295872.

The previous prime is 9661087769. The next prime is 9661087841. The reversal of 9661087796 is 6977801669.

It can be written as a sum of positive squares in 2 ways, for example, as 4290250000 + 5370837796 = 65500^2 + 73286^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

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, 46880 + ... + 146696.

It is an arithmetic number, because the mean of its divisors is an integer number (1408980979).

Almost surely, 2^9661087796 is an apocalyptic number.

It is an amenable number.

9661087796 is a deficient number, since it is larger than the sum of its proper divisors (7246683952).

9661087796 is a wasteful number, since it uses less digits than its factorization.

9661087796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124018 (or 124016 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 9661087796 is about 98290.8327159761. The cubic root of 9661087796 is about 2129.8156287915.

The spelling of 9661087796 in words is "nine billion, six hundred sixty-one million, eighty-seven thousand, seven hundred ninety-six".