9647855630 has 16 divisors (see below), whose sum is σ = 19847017440. Its totient is φ = 3307836192.

The previous prime is 9647855627. The next prime is 9647855639. The reversal of 9647855630 is 365587469.

It is a super-2 number, since 2×9647855630² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9647855639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68913185 + ... + 68913324.

It is an arithmetic number, because the mean of its divisors is an integer number (1240438590).

Almost surely, 2^9647855630 is an apocalyptic number.

9647855630 is an abundant number, since it is smaller than the sum of its proper divisors (10199161810).

9647855630 is a wasteful number, since it uses less digits than its factorization.

9647855630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137826523.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The square root of 9647855630 is about 98223.4983596084. The cubic root of 9647855630 is about 2128.8428277043.

The spelling of 9647855630 in words is "nine billion, six hundred forty-seven million, eight hundred fifty-five thousand, six hundred thirty".