26928773 has 2 divisors, whose sum is σ = 26928774. Its totient is φ = 26928772.

The previous prime is 26928709. The next prime is 26928817. The reversal of 26928773 is 37782962.

It is an a-pointer prime, because the next prime (26928817) can be obtained adding 26928773 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26234884 + 693889 = 5122^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 26928773 - 2⁶ = 26928709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26928173) 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 as a sum of consecutive naturals, namely, 13464386 + 13464387.

It is an arithmetic number, because the mean of its divisors is an integer number (13464387).

Almost surely, 2^26928773 is an apocalyptic number.

It is an amenable number.

26928773 is a deficient number, since it is larger than the sum of its proper divisors (1).

26928773 is an equidigital number, since it uses as much as digits as its factorization.

26928773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 26928773 is about 5189.2940753054. The cubic root of 26928773 is about 299.7359639811.

The spelling of 26928773 in words is "twenty-six million, nine hundred twenty-eight thousand, seven hundred seventy-three".