26487 has 12 divisors (see below), whose sum is σ = 40040. Its totient is φ = 17496.

The previous prime is 26479. The next prime is 26489. The reversal of 26487 is 78462.

It is not a de Polignac number, because 26487 - 2³ = 26479 is a prime.

It is a super-2 number, since 2×26487² = 1403122338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

Its product of digits (2688) is a multiple of the sum of its prime divisors (112).

It is a plaindrome in base 11 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 26487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26489) 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 11 ways as a sum of consecutive naturals, for example, 189 + ... + 297.

2²⁶⁴⁸⁷ is an apocalyptic number.

26487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

26487 is a deficient number, since it is larger than the sum of its proper divisors (13553).

26487 is an equidigital number, since it uses as much as digits as its factorization.

26487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 112 counting only the distinct ones).

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

The square root of 26487 is about 162.7482718802. The cubic root of 26487 is about 29.8087838016.

It can be divided in two parts, 264 and 87, that added together give a triangular number (351 = T₂₆).

The spelling of 26487 in words is "twenty-six thousand, four hundred eighty-seven".