10863979 has 4 divisors (see below), whose sum is σ = 12415984. Its totient is φ = 9311976.

The previous prime is 10863973. The next prime is 10864093. The reversal of 10863979 is 97936801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10863979 - 2⁵ = 10863947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10863973) 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, 775992 + ... + 776005.

It is an arithmetic number, because the mean of its divisors is an integer number (3103996).

Almost surely, 2^10863979 is an apocalyptic number.

10863979 is a deficient number, since it is larger than the sum of its proper divisors (1552005).

10863979 is an equidigital number, since it uses as much as digits as its factorization.

10863979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552004.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 10863979 is about 3296.0550662876. The cubic root of 10863979 is about 221.4775135263.

The spelling of 10863979 in words is "ten million, eight hundred sixty-three thousand, nine hundred seventy-nine".