26864807 has 4 divisors (see below), whose sum is σ = 26882856. Its totient is φ = 26846760.

The previous prime is 26864791. The next prime is 26864813. The reversal of 26864807 is 70846862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26864807 - 2⁴ = 26864791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6569 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (6720714).

Almost surely, 2^26864807 is an apocalyptic number.

26864807 is a deficient number, since it is larger than the sum of its proper divisors (18049).

26864807 is a wasteful number, since it uses less digits than its factorization.

26864807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18048.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 26864807 is about 5183.1271448808. The cubic root of 26864807 is about 299.4984471349.

The spelling of 26864807 in words is "twenty-six million, eight hundred sixty-four thousand, eight hundred seven".