9611333772 has 12 divisors (see below), whose sum is σ = 22426445496. Its totient is φ = 3203777920.

The previous prime is 9611333737. The next prime is 9611333779. The reversal of 9611333772 is 2773331169.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×9611333772³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9611333779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400472229 + ... + 400472252.

It is an arithmetic number, because the mean of its divisors is an integer number (1868870458).

Almost surely, 2^9611333772 is an apocalyptic number.

It is an amenable number.

9611333772 is an abundant number, since it is smaller than the sum of its proper divisors (12815111724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9611333772 is a wasteful number, since it uses less digits than its factorization.

9611333772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800944488 (or 800944486 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 9611333772 is about 98037.4100637099. The cubic root of 9611333772 is about 2126.1531934590.

The spelling of 9611333772 in words is "nine billion, six hundred eleven million, three hundred thirty-three thousand, seven hundred seventy-two".