9687884993 has 32 divisors (see below), whose sum is σ = 10520395776. Its totient is φ = 8898519168.

The previous prime is 9687884923. The next prime is 9687885023. The reversal of 9687884993 is 3994887869.

It is a cyclic number.

It is not a de Polignac number, because 9687884993 - 2²⁴ = 9671107777 is a prime.

It is a super-2 number, since 2×9687884993² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9687884903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17207330 + ... + 17207892.

It is an arithmetic number, because the mean of its divisors is an integer number (328762368).

Almost surely, 2^9687884993 is an apocalyptic number.

It is an amenable number.

9687884993 is a deficient number, since it is larger than the sum of its proper divisors (832510783).

9687884993 is a wasteful number, since it uses less digits than its factorization.

9687884993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 188116992, while the sum is 71.

The square root of 9687884993 is about 98427.0541721127. The cubic root of 9687884993 is about 2131.7829849527.

The spelling of 9687884993 in words is "nine billion, six hundred eighty-seven million, eight hundred eighty-four thousand, nine hundred ninety-three".