26920039 has 2 divisors, whose sum is σ = 26920040. Its totient is φ = 26920038.

The previous prime is 26920037. The next prime is 26920073. The reversal of 26920039 is 93002962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26920039 - 2¹ = 26920037 is a prime.

Together with 26920037, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26920031) 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, 13460019 + 13460020.

It is an arithmetic number, because the mean of its divisors is an integer number (13460020).

Almost surely, 2^26920039 is an apocalyptic number.

26920039 is a deficient number, since it is larger than the sum of its proper divisors (1).

26920039 is an equidigital number, since it uses as much as digits as its factorization.

26920039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 26920039 is about 5188.4524667766. The cubic root of 26920039 is about 299.7035553131.

The spelling of 26920039 in words is "twenty-six million, nine hundred twenty thousand, thirty-nine".