26873887 has 2 divisors, whose sum is σ = 26873888. Its totient is φ = 26873886.

The previous prime is 26873881. The next prime is 26873921. The reversal of 26873887 is 78837862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26873887 - 2³ = 26873879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26873887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26873881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436943 + 13436944.

It is an arithmetic number, because the mean of its divisors is an integer number (13436944).

Almost surely, 2^26873887 is an apocalyptic number.

26873887 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873887 is an equidigital number, since it uses as much as digits as its factorization.

26873887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 903168, while the sum is 49.

The square root of 26873887 is about 5184.0029899683. The cubic root of 26873887 is about 299.5321856933.

The spelling of 26873887 in words is "twenty-six million, eight hundred seventy-three thousand, eight hundred eighty-seven".