26920837 has 2 divisors, whose sum is σ = 26920838. Its totient is φ = 26920836.

The previous prime is 26920823. The next prime is 26920841. The reversal of 26920837 is 73802962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17715681 + 9205156 = 4209^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 26920837 - 2¹⁹ = 26396549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26920796 and 26920805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26920807) 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, 13460418 + 13460419.

It is an arithmetic number, because the mean of its divisors is an integer number (13460419).

Almost surely, 2^26920837 is an apocalyptic number.

It is an amenable number.

26920837 is a deficient number, since it is larger than the sum of its proper divisors (1).

26920837 is an equidigital number, since it uses as much as digits as its factorization.

26920837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 26920837 is about 5188.5293677496. The cubic root of 26920837 is about 299.7065166891.

The spelling of 26920837 in words is "twenty-six million, nine hundred twenty thousand, eight hundred thirty-seven".