8689648630 has 64 divisors (see below), whose sum is σ = 17610421248. Its totient is φ = 3063139200.

The previous prime is 8689648621. The next prime is 8689648633. The reversal of 8689648630 is 368469868.

8689648630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689648633) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1752655 + ... + 1757605.

It is an arithmetic number, because the mean of its divisors is an integer number (275162832).

Almost surely, 2^8689648630 is an apocalyptic number.

8689648630 is an abundant number, since it is smaller than the sum of its proper divisors (8920772618).

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

8689648630 is a wasteful number, since it uses less digits than its factorization.

8689648630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5581.

The product of its (nonzero) digits is 11943936, while the sum is 58.

The square root of 8689648630 is about 93218.2848479846. The cubic root of 8689648630 is about 2055.8940925817.

The spelling of 8689648630 in words is "eight billion, six hundred eighty-nine million, six hundred forty-eight thousand, six hundred thirty".