26873861 has 8 divisors (see below), whose sum is σ = 30744960. Its totient is φ = 23010768.

The previous prime is 26873813. The next prime is 26873863. The reversal of 26873861 is 16837862.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26873861 - 2¹⁰ = 26872837 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 (26873863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10055 + ... + 12443.

It is an arithmetic number, because the mean of its divisors is an integer number (3843120).

Almost surely, 2^26873861 is an apocalyptic number.

It is an amenable number.

26873861 is a deficient number, since it is larger than the sum of its proper divisors (3871099).

26873861 is a wasteful number, since it uses less digits than its factorization.

26873861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003.

The product of its digits is 96768, while the sum is 41.

The square root of 26873861 is about 5184.0004822531. Note that the first 3 decimals coincide. The cubic root of 26873861 is about 299.5320890959.

The spelling of 26873861 in words is "twenty-six million, eight hundred seventy-three thousand, eight hundred sixty-one".