10566779 has 2 divisors, whose sum is σ = 10566780. Its totient is φ = 10566778.

The previous prime is 10566767. The next prime is 10566797. The reversal of 10566779 is 97766501.

Together with next prime (10566797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10566779 - 2²⁰ = 9518203 is a prime.

It is a super-2 number, since 2×10566779² = 223313636869682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p₆₉₉₇₅₅ and since 10566779 and 699755 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (10566709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5283389 + 5283390.

It is an arithmetic number, because the mean of its divisors is an integer number (5283390).

Almost surely, 2^10566779 is an apocalyptic number.

10566779 is a deficient number, since it is larger than the sum of its proper divisors (1).

10566779 is an equidigital number, since it uses as much as digits as its factorization.

10566779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 10566779 is about 3250.6582410337. The cubic root of 10566779 is about 219.4391983981.

The spelling of 10566779 in words is "ten million, five hundred sixty-six thousand, seven hundred seventy-nine".