26478 has 12 divisors (see below), whose sum is σ = 57408. Its totient is φ = 8820.

The previous prime is 26459. The next prime is 26479. The reversal of 26478 is 87462.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 718 + ... + 753.

It is an arithmetic number, because the mean of its divisors is an integer number (4784).

2²⁶⁴⁷⁸ is an apocalyptic number.

26478 is an abundant number, since it is smaller than the sum of its proper divisors (30930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26478 is a wasteful number, since it uses less digits than its factorization.

26478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1476 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 26478 is about 162.7206194678. The cubic root of 26478 is about 29.8054071836.

The spelling of 26478 in words is "twenty-six thousand, four hundred seventy-eight".