26868487 has 8 divisors (see below), whose sum is σ = 27499232. Its totient is φ = 26244000.

The previous prime is 26868473. The next prime is 26868497. The reversal of 26868487 is 78486862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26868487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26868487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753 + ... + 10669.

It is an arithmetic number, because the mean of its divisors is an integer number (3437404).

Almost surely, 2^26868487 is an apocalyptic number.

26868487 is a deficient number, since it is larger than the sum of its proper divisors (630745).

26868487 is a wasteful number, since it uses less digits than its factorization.

26868487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129.

The product of its digits is 1032192, while the sum is 49.

The square root of 26868487 is about 5183.4821307689. The cubic root of 26868487 is about 299.5121218279.

The spelling of 26868487 in words is "twenty-six million, eight hundred sixty-eight thousand, four hundred eighty-seven".