9687864384 has 140 divisors (see below), whose sum is σ = 31328764368. Its totient is φ = 2935699200.

The previous prime is 9687864379. The next prime is 9687864391. The reversal of 9687864384 is 4834687869.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27922 + ... + 141969.

Almost surely, 2^9687864384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9687864384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664382184).

9687864384 is an abundant number, since it is smaller than the sum of its proper divisors (21640899984).

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

9687864384 is a wasteful number, since it uses less digits than its factorization.

9687864384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169926 (or 169907 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The square root of 9687864384 is about 98426.9494803126. The cubic root of 9687864384 is about 2131.7814733071.

The spelling of 9687864384 in words is "nine billion, six hundred eighty-seven million, eight hundred sixty-four thousand, three hundred eighty-four".