26345887 has 4 divisors (see below), whose sum is σ = 27057976. Its totient is φ = 25633800.

The previous prime is 26345881. The next prime is 26345909. The reversal of 26345887 is 78854362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26345887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26345881) 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 in 3 ways as a sum of consecutive naturals, for example, 355989 + ... + 356062.

It is an arithmetic number, because the mean of its divisors is an integer number (6764494).

Almost surely, 2^26345887 is an apocalyptic number.

26345887 is a deficient number, since it is larger than the sum of its proper divisors (712089).

26345887 is an equidigital number, since it uses as much as digits as its factorization.

26345887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712088.

The product of its digits is 322560, while the sum is 43.

The square root of 26345887 is about 5132.8244661200. The cubic root of 26345887 is about 297.5575276554.

The spelling of 26345887 in words is "twenty-six million, three hundred forty-five thousand, eight hundred eighty-seven".