26856375 has 64 divisors (see below), whose sum is σ = 55071744. Its totient is φ = 11318400.

The previous prime is 26856337. The next prime is 26856383. The reversal of 26856375 is 57365862.

It is not a de Polignac number, because 26856375 - 2⁹ = 26855863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33732 + ... + 34518.

It is an arithmetic number, because the mean of its divisors is an integer number (860496).

Almost surely, 2^26856375 is an apocalyptic number.

26856375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26856375 is an abundant number, since it is smaller than the sum of its proper divisors (28215369).

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

26856375 is a wasteful number, since it uses less digits than its factorization.

26856375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 815 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 26856375 is about 5182.3136724826. The cubic root of 26856375 is about 299.4671095419.

The spelling of 26856375 in words is "twenty-six million, eight hundred fifty-six thousand, three hundred seventy-five".