26580087 has 12 divisors (see below), whose sum is σ = 38444640. Its totient is φ = 17696448.

The previous prime is 26580067. The next prime is 26580091. The reversal of 26580087 is 78008562.

It is not a de Polignac number, because 26580087 - 2¹⁴ = 26563703 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26580007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7618 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (3203720).

Almost surely, 2^26580087 is an apocalyptic number.

26580087 is a deficient number, since it is larger than the sum of its proper divisors (11864553).

26580087 is a wasteful number, since it uses less digits than its factorization.

26580087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 26580087 is about 5155.5879393140. The cubic root of 26580087 is about 298.4366337721.

The spelling of 26580087 in words is "twenty-six million, five hundred eighty thousand, eighty-seven".