10689779 has 4 divisors (see below), whose sum is σ = 11154576. Its totient is φ = 10224984.

The previous prime is 10689773. The next prime is 10689793. The reversal of 10689779 is 97798601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97798601 = 97 ⋅1008233.

It is a cyclic number.

It is not a de Polignac number, because 10689779 - 2¹² = 10685683 is a prime.

It is a super-2 number, since 2×10689779² = 228542750137682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10689773) 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 in 3 ways as a sum of consecutive naturals, for example, 232364 + ... + 232409.

It is an arithmetic number, because the mean of its divisors is an integer number (2788644).

Almost surely, 2^10689779 is an apocalyptic number.

10689779 is a deficient number, since it is larger than the sum of its proper divisors (464797).

10689779 is an equidigital number, since it uses as much as digits as its factorization.

10689779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464796.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 10689779 is about 3269.5227480475. The cubic root of 10689779 is about 220.2873586555.

The spelling of 10689779 in words is "ten million, six hundred eighty-nine thousand, seven hundred seventy-nine".