10684877717 has 2 divisors, whose sum is σ = 10684877718. Its totient is φ = 10684877716.

The previous prime is 10684877713. The next prime is 10684877719. The reversal of 10684877717 is 71777848601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9583235236 + 1101642481 = 97894^2 + 33191^2 .

It is a cyclic number.

It is not a de Polignac number, because 10684877717 - 2² = 10684877713 is a prime.

It is a super-2 number, since 2×10684877717² (a number of 21 digits) contains 22 as substring.

Together with 10684877719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10684877713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5342438858 + 5342438859.

It is an arithmetic number, because the mean of its divisors is an integer number (5342438859).

Almost surely, 2^10684877717 is an apocalyptic number.

It is an amenable number.

10684877717 is a deficient number, since it is larger than the sum of its proper divisors (1).

10684877717 is an equidigital number, since it uses as much as digits as its factorization.

10684877717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3687936, while the sum is 56.

The spelling of 10684877717 in words is "ten billion, six hundred eighty-four million, eight hundred seventy-seven thousand, seven hundred seventeen".