26216863 has 4 divisors (see below), whose sum is σ = 26269488. Its totient is φ = 26164240.

The previous prime is 26216843. The next prime is 26216867. The reversal of 26216863 is 36861262.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26216863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26216867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25558 + ... + 26563.

It is an arithmetic number, because the mean of its divisors is an integer number (6567372).

Almost surely, 2^26216863 is an apocalyptic number.

26216863 is a deficient number, since it is larger than the sum of its proper divisors (52625).

26216863 is an equidigital number, since it uses as much as digits as its factorization.

26216863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52624.

The product of its digits is 20736, while the sum is 34.

The square root of 26216863 is about 5120.2405216943. The cubic root of 26216863 is about 297.0709886351.

The spelling of 26216863 in words is "twenty-six million, two hundred sixteen thousand, eight hundred sixty-three".