9897563682 has 24 divisors (see below), whose sum is σ = 21448816896. Its totient is φ = 3298557816.

The previous prime is 9897563681. The next prime is 9897563701. The reversal of 9897563682 is 2863657989.

9897563682 is a `hidden beast` number, since 9 + 8 + 9 + 7 + 563 + 68 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (9897563681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49743 + ... + 149229.

It is an arithmetic number, because the mean of its divisors is an integer number (893700704).

Almost surely, 2^9897563682 is an apocalyptic number.

It is a pronic number, being equal to 99486×99487.

9897563682 is an abundant number, since it is smaller than the sum of its proper divisors (11551253214).

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

9897563682 is a wasteful number, since it uses less digits than its factorization.

9897563682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105022 (or 105019 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 9897563682 is about 99486.4999987435. The cubic root of 9897563682 is about 2147.0530154073.

The spelling of 9897563682 in words is "nine billion, eight hundred ninety-seven million, five hundred sixty-three thousand, six hundred eighty-two".