10643879 has 4 divisors (see below), whose sum is σ = 10650840. Its totient is φ = 10636920.

The previous prime is 10643863. The next prime is 10643903. The reversal of 10643879 is 97834601.

10643879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 97834601 = 6947 ⋅14083.

It is a cyclic number.

It is not a de Polignac number, because 10643879 - 2⁴ = 10643863 is a prime.

It is a super-3 number, since 3×10643879³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (2662710).

Almost surely, 2^10643879 is an apocalyptic number.

10643879 is a deficient number, since it is larger than the sum of its proper divisors (6961).

10643879 is an equidigital number, since it uses as much as digits as its factorization.

10643879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 10643879 is about 3262.4958237521. The cubic root of 10643879 is about 219.9716147951.

The spelling of 10643879 in words is "ten million, six hundred forty-three thousand, eight hundred seventy-nine".