10564666787 has 2 divisors, whose sum is σ = 10564666788. Its totient is φ = 10564666786.

The previous prime is 10564666687. The next prime is 10564666789. The reversal of 10564666787 is 78766646501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10564666787 - 2¹⁰ = 10564665763 is a prime.

It is a super-2 number, since 2×10564666787² (a number of 21 digits) contains 22 as substring.

Together with 10564666789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10564666789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282333393 + 5282333394.

It is an arithmetic number, because the mean of its divisors is an integer number (5282333394).

Almost surely, 2^10564666787 is an apocalyptic number.

10564666787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10564666787 is an equidigital number, since it uses as much as digits as its factorization.

10564666787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 10564666787 in words is "ten billion, five hundred sixty-four million, six hundred sixty-six thousand, seven hundred eighty-seven".