10665779 has 2 divisors, whose sum is σ = 10665780. Its totient is φ = 10665778.

The previous prime is 10665769. The next prime is 10665791. The reversal of 10665779 is 97756601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10665779 - 2¹² = 10661683 is a prime.

It is a super-2 number, since 2×10665779² = 227517683353682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10665719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332889 + 5332890.

It is an arithmetic number, because the mean of its divisors is an integer number (5332890).

Almost surely, 2^10665779 is an apocalyptic number.

10665779 is a deficient number, since it is larger than the sum of its proper divisors (1).

10665779 is an equidigital number, since it uses as much as digits as its factorization.

10665779 is an evil number, because the sum of its binary digits is even.

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

The square root of 10665779 is about 3265.8504252338. The cubic root of 10665779 is about 220.1223768178.

The spelling of 10665779 in words is "ten million, six hundred sixty-five thousand, seven hundred seventy-nine".