8689970385648 has 100 divisors (see below), whose sum is σ = 26244830135568. Its totient is φ = 2770715185920.

The previous prime is 8689970385647. The next prime is 8689970385661. The reversal of 8689970385648 is 8465830799868.

8689970385648 is a `hidden beast` number, since 86 + 8 + 99 + 70 + 385 + 6 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8689970385643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 145735933 + ... + 145795548.

Almost surely, 2^{8689970385648} is an apocalyptic number.

It is an amenable number.

8689970385648 is an abundant number, since it is smaller than the sum of its proper divisors (17554859749920).

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

8689970385648 is a wasteful number, since it uses less digits than its factorization.

8689970385648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291531524 (or 291531509 counting only the distinct ones).

The product of its (nonzero) digits is 5016453120, while the sum is 81.

The spelling of 8689970385648 in words is "eight trillion, six hundred eighty-nine billion, nine hundred seventy million, three hundred eighty-five thousand, six hundred forty-eight".