26864568 has 64 divisors (see below), whose sum is σ = 75060000. Its totient is φ = 8902656.

The previous prime is 26864557. The next prime is 26864599. The reversal of 26864568 is 86546862.

26864568 is a `hidden beast` number, since 2 + 6 + 86 + 4 + 568 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59608 + ... + 60056.

Almost surely, 2^26864568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26864568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37530000).

26864568 is an abundant number, since it is smaller than the sum of its proper divisors (48195432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26864568 is a wasteful number, since it uses less digits than its factorization.

26864568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 731 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 26864568 is about 5183.1040892500. The cubic root of 26864568 is about 299.4975589798.

The spelling of 26864568 in words is "twenty-six million, eight hundred sixty-four thousand, five hundred sixty-eight".