26827965 has 24 divisors (see below), whose sum is σ = 46757880. Its totient is φ = 14229504.

The previous prime is 26827963. The next prime is 26827991. The reversal of 26827965 is 56972862.

It can be written as a sum of positive squares in 4 ways, for example, as 4756761 + 22071204 = 2181^2 + 4698^2 .

It is not a de Polignac number, because 26827965 - 2¹ = 26827963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 26827965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26827963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7141 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (1948245).

Almost surely, 2^26827965 is an apocalyptic number.

It is an amenable number.

26827965 is a deficient number, since it is larger than the sum of its proper divisors (19929915).

26827965 is a wasteful number, since it uses less digits than its factorization.

26827965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293 (or 3290 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 26827965 is about 5179.5718935063. The cubic root of 26827965 is about 299.3614752514.

The spelling of 26827965 in words is "twenty-six million, eight hundred twenty-seven thousand, nine hundred sixty-five".