26278 has 8 divisors (see below), whose sum is σ = 45072. Its totient is φ = 11256.

The previous prime is 26267. The next prime is 26293. The reversal of 26278 is 87262.

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

It is a plaindrome in base 15.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

26278 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (5634).

2²⁶²⁷⁸ is an apocalyptic number.

26278 is a deficient number, since it is larger than the sum of its proper divisors (18794).

26278 is a wasteful number, since it uses less digits than its factorization.

26278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its digits is 1344, while the sum is 25.

The square root of 26278 is about 162.1049043058. The cubic root of 26278 is about 29.7301729813.

The spelling of 26278 in words is "twenty-six thousand, two hundred seventy-eight".