26400823 has 8 divisors (see below), whose sum is σ = 28005120. Its totient is φ = 24818040.

The previous prime is 26400799. The next prime is 26400833. The reversal of 26400823 is 32800462.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26400823 - 2⁵ = 26400791 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 (26400833) 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 7 ways as a sum of consecutive naturals, for example, 2815 + ... + 7792.

It is an arithmetic number, because the mean of its divisors is an integer number (3500640).

Almost surely, 2^26400823 is an apocalyptic number.

26400823 is a deficient number, since it is larger than the sum of its proper divisors (1604297).

26400823 is a wasteful number, since it uses less digits than its factorization.

26400823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 26400823 is about 5138.1731189208. The cubic root of 26400823 is about 297.7642047176.

The spelling of 26400823 in words is "twenty-six million, four hundred thousand, eight hundred twenty-three".