26945887 has 2 divisors, whose sum is σ = 26945888. Its totient is φ = 26945886.

The previous prime is 26945861. The next prime is 26945929. The reversal of 26945887 is 78854962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26945887 - 2¹⁵ = 26913119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26945887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26942887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13472943 + 13472944.

It is an arithmetic number, because the mean of its divisors is an integer number (13472944).

Almost surely, 2^26945887 is an apocalyptic number.

26945887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26945887 is an equidigital number, since it uses as much as digits as its factorization.

26945887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 26945887 is about 5190.9427852751. The cubic root of 26945887 is about 299.7994474403.

The spelling of 26945887 in words is "twenty-six million, nine hundred forty-five thousand, eight hundred eighty-seven".