9644087172 has 24 divisors (see below), whose sum is σ = 22547980000. Its totient is φ = 3208251456.

The previous prime is 9644087161. The next prime is 9644087183. The reversal of 9644087172 is 2717804469.

9644087172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9644087161) and next prime (9644087183).

It is a super-2 number, since 2×9644087172² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799297 + ... + 811272.

Almost surely, 2^9644087172 is an apocalyptic number.

It is an amenable number.

9644087172 is an abundant number, since it is smaller than the sum of its proper divisors (12903892828).

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

9644087172 is a wasteful number, since it uses less digits than its factorization.

9644087172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611075 (or 1611073 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 9644087172 is about 98204.3134083223. The cubic root of 9644087172 is about 2128.5656158607.

The spelling of 9644087172 in words is "nine billion, six hundred forty-four million, eighty-seven thousand, one hundred seventy-two".