26921087 has 2 divisors, whose sum is σ = 26921088. Its totient is φ = 26921086.

The previous prime is 26921071. The next prime is 26921101. The reversal of 26921087 is 78012962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26921087 - 2⁴ = 26921071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26921887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13460543 + 13460544.

It is an arithmetic number, because the mean of its divisors is an integer number (13460544).

Almost surely, 2^26921087 is an apocalyptic number.

26921087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26921087 is an equidigital number, since it uses as much as digits as its factorization.

26921087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 26921087 is about 5188.5534592987. The cubic root of 26921087 is about 299.7074444265.

The spelling of 26921087 in words is "twenty-six million, nine hundred twenty-one thousand, eighty-seven".