9687676871 has 2 divisors, whose sum is σ = 9687676872. Its totient is φ = 9687676870.

The previous prime is 9687676853. The next prime is 9687676891. The reversal of 9687676871 is 1786767869.

It is a weak prime.

It is an emirp because it is prime and its reverse (1786767869) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9687676871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9687676798 and 9687676807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9687676891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4843838435 + 4843838436.

It is an arithmetic number, because the mean of its divisors is an integer number (4843838436).

Almost surely, 2^9687676871 is an apocalyptic number.

9687676871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9687676871 is an equidigital number, since it uses as much as digits as its factorization.

9687676871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42674688, while the sum is 65.

The square root of 9687676871 is about 98425.9969266250. The cubic root of 9687676871 is about 2131.7677193533.

The spelling of 9687676871 in words is "nine billion, six hundred eighty-seven million, six hundred seventy-six thousand, eight hundred seventy-one".