10779919 has 4 divisors (see below), whose sum is σ = 10787400. Its totient is φ = 10772440.

The previous prime is 10779911. The next prime is 10779941. The reversal of 10779919 is 91997701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91997701 = 3181 ⋅28921.

It is a cyclic number.

It is not a de Polignac number, because 10779919 - 2³ = 10779911 is a prime.

It is a super-2 number, since 2×10779919² = 232413307293122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10779911) 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, 817 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (2696850).

Almost surely, 2^10779919 is an apocalyptic number.

10779919 is a deficient number, since it is larger than the sum of its proper divisors (7481).

10779919 is an equidigital number, since it uses as much as digits as its factorization.

10779919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7480.

The product of its (nonzero) digits is 35721, while the sum is 43.

The square root of 10779919 is about 3283.2786966689. The cubic root of 10779919 is about 220.9048067055.

The spelling of 10779919 in words is "ten million, seven hundred seventy-nine thousand, nine hundred nineteen".