9687776764 has 12 divisors (see below), whose sum is σ = 17067393000. Its totient is φ = 4811378768.

The previous prime is 9687776731. The next prime is 9687776797. The reversal of 9687776764 is 4676777869.

It is an interprime number because it is at equal distance from previous prime (9687776731) and next prime (9687776797).

It is a self number, because there is not a number n which added to its sum of digits gives 9687776764.

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, 8126734 + ... + 8127925.

It is an arithmetic number, because the mean of its divisors is an integer number (1422282750).

Almost surely, 2^9687776764 is an apocalyptic number.

It is an amenable number.

9687776764 is a deficient number, since it is larger than the sum of its proper divisors (7379616236).

9687776764 is a wasteful number, since it uses less digits than its factorization.

9687776764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254812 (or 16254810 counting only the distinct ones).

The product of its digits is 149361408, while the sum is 67.

The square root of 9687776764 is about 98426.5043776319. The cubic root of 9687776764 is about 2131.7750464605.

The spelling of 9687776764 in words is "nine billion, six hundred eighty-seven million, seven hundred seventy-six thousand, seven hundred sixty-four".