26066987 has 8 divisors (see below), whose sum is σ = 26765376. Its totient is φ = 25372872.

The previous prime is 26066977. The next prime is 26067007. The reversal of 26066987 is 78966062.

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 26066987 - 2¹² = 26062891 is a prime.

It is a super-2 number, since 2×26066987² = 1358975622516338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26066977) 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 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (3345672).

Almost surely, 2^26066987 is an apocalyptic number.

26066987 is a deficient number, since it is larger than the sum of its proper divisors (698389).

26066987 is a wasteful number, since it uses less digits than its factorization.

26066987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 26066987 is about 5105.5839039232. The cubic root of 26066987 is about 296.5038100951.

The spelling of 26066987 in words is "twenty-six million, sixty-six thousand, nine hundred eighty-seven".