26887966 has 48 divisors (see below), whose sum is σ = 49904640. Its totient is φ = 10810800.

The previous prime is 26887963. The next prime is 26887979. The reversal of 26887966 is 66978862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26887963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177991 + ... + 178141.

It is an arithmetic number, because the mean of its divisors is an integer number (1039680).

Almost surely, 2^26887966 is an apocalyptic number.

26887966 is a deficient number, since it is larger than the sum of its proper divisors (23016674).

26887966 is a wasteful number, since it uses less digits than its factorization.

26887966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 262 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 26887966 is about 5185.3607396207. The cubic root of 26887966 is about 299.5844840132.

The spelling of 26887966 in words is "twenty-six million, eight hundred eighty-seven thousand, nine hundred sixty-six".