26873855 has 32 divisors (see below), whose sum is σ = 35676288. Its totient is φ = 19353600.

The previous prime is 26873813. The next prime is 26873863. The reversal of 26873855 is 55837862.

It is a Cunningham number, because it is equal to 72⁴-1.

It is not a de Polignac number, because 26873855 - 2⁸ = 26873599 is a prime.

It is a super-2 number, since 2×26873855² = 1444408165122050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 6 and base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368099 + ... + 368171.

It is an arithmetic number, because the mean of its divisors is an integer number (1114884).

Almost surely, 2^26873855 is an apocalyptic number.

26873855 is a deficient number, since it is larger than the sum of its proper divisors (8802433).

26873855 is a wasteful number, since it uses less digits than its factorization.

26873855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227.

The product of its digits is 403200, while the sum is 44.

The square root of 26873855 is about 5183.9999035494. Note that the first 4 decimals coincide. The cubic root of 26873855 is about 299.5320668042.

The spelling of 26873855 in words is "twenty-six million, eight hundred seventy-three thousand, eight hundred fifty-five".