26078387 has 2 divisors, whose sum is σ = 26078388. Its totient is φ = 26078386.

The previous prime is 26078341. The next prime is 26078407. The reversal of 26078387 is 78387062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26078387 - 2⁸ = 26078131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26078587) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13039193 + 13039194.

It is an arithmetic number, because the mean of its divisors is an integer number (13039194).

Almost surely, 2^26078387 is an apocalyptic number.

26078387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26078387 is an equidigital number, since it uses as much as digits as its factorization.

26078387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 26078387 is about 5106.7002065913. The cubic root of 26078387 is about 296.5470276049.

The spelling of 26078387 in words is "twenty-six million, seventy-eight thousand, three hundred eighty-seven".