9687673885 has 4 divisors (see below), whose sum is σ = 11625208668. Its totient is φ = 7750139104.

The previous prime is 9687673837. The next prime is 9687673913. The reversal of 9687673885 is 5883767869.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1268143321 + 8419530564 = 35611^2 + 91758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9687673885 is a prime.

It is a super-2 number, since 2×9687673885² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9687673885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968767384 + ... + 968767393.

It is an arithmetic number, because the mean of its divisors is an integer number (2906302167).

Almost surely, 2^9687673885 is an apocalyptic number.

It is an amenable number.

9687673885 is a deficient number, since it is larger than the sum of its proper divisors (1937534783).

9687673885 is a wasteful number, since it uses less digits than its factorization.

9687673885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937534782.

The product of its digits is 121927680, while the sum is 67.

The square root of 9687673885 is about 98425.9817578672. The cubic root of 9687673885 is about 2131.7675003307.

The spelling of 9687673885 in words is "nine billion, six hundred eighty-seven million, six hundred seventy-three thousand, eight hundred eighty-five".