26988823 has 2 divisors, whose sum is σ = 26988824. Its totient is φ = 26988822.

The previous prime is 26988791. The next prime is 26988833. The reversal of 26988823 is 32888962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26988823 - 2⁵ = 26988791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26988833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13494411 + 13494412.

It is an arithmetic number, because the mean of its divisors is an integer number (13494412).

Almost surely, 2^26988823 is an apocalyptic number.

26988823 is a deficient number, since it is larger than the sum of its proper divisors (1).

26988823 is an equidigital number, since it uses as much as digits as its factorization.

26988823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 46.

The square root of 26988823 is about 5195.0768040521. The cubic root of 26988823 is about 299.9585979902.

The spelling of 26988823 in words is "twenty-six million, nine hundred eighty-eight thousand, eight hundred twenty-three".