9869066677 has 4 divisors (see below), whose sum is σ = 9869334156. Its totient is φ = 9868799200.

The previous prime is 9869066657. The next prime is 9869066681. The reversal of 9869066677 is 7766609689.

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 4204095921 + 5664970756 = 64839^2 + 75266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9869066677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9869066617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67438 + ... + 155839.

It is an arithmetic number, because the mean of its divisors is an integer number (2467333539).

Almost surely, 2^9869066677 is an apocalyptic number.

It is an amenable number.

9869066677 is a deficient number, since it is larger than the sum of its proper divisors (267479).

9869066677 is a wasteful number, since it uses less digits than its factorization.

9869066677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267478.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The square root of 9869066677 is about 99343.1762981233. The cubic root of 9869066677 is about 2144.9904406382.

The spelling of 9869066677 in words is "nine billion, eight hundred sixty-nine million, sixty-six thousand, six hundred seventy-seven".