26869387 has 2 divisors, whose sum is σ = 26869388. Its totient is φ = 26869386.

The previous prime is 26869369. The next prime is 26869411. The reversal of 26869387 is 78396862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26869387 - 2⁷ = 26869259 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26869387.

It is not a weakly prime, because it can be changed into another prime (26860387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13434693 + 13434694.

It is an arithmetic number, because the mean of its divisors is an integer number (13434694).

Almost surely, 2^26869387 is an apocalyptic number.

26869387 is a deficient number, since it is larger than the sum of its proper divisors (1).

26869387 is an equidigital number, since it uses as much as digits as its factorization.

26869387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 49.

The square root of 26869387 is about 5183.5689442700. The cubic root of 26869387 is about 299.5154659921.

The spelling of 26869387 in words is "twenty-six million, eight hundred sixty-nine thousand, three hundred eighty-seven".