10686558769487 has 2 divisors, whose sum is σ = 10686558769488. Its totient is φ = 10686558769486.

The previous prime is 10686558769429. The next prime is 10686558769499. The reversal of 10686558769487 is 78496785568601.

It is a strong prime.

It is an emirp because it is prime and its reverse (78496785568601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10686558769487 - 2⁶ = 10686558769423 is a prime.

It is a super-2 number, since 2×10686558769487² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10686558769987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343279384743 + 5343279384744.

It is an arithmetic number, because the mean of its divisors is an integer number (5343279384744).

Almost surely, 2^{10686558769487} is an apocalyptic number.

10686558769487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10686558769487 is an equidigital number, since it uses as much as digits as its factorization.

10686558769487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4877107200, while the sum is 80.

The spelling of 10686558769487 in words is "ten trillion, six hundred eighty-six billion, five hundred fifty-eight million, seven hundred sixty-nine thousand, four hundred eighty-seven".