26864845 has 32 divisors (see below), whose sum is σ = 39391488. Its totient is φ = 17169408.

The previous prime is 26864843. The next prime is 26864899. The reversal of 26864845 is 54846862.

It is a cyclic number.

It is not a de Polignac number, because 26864845 - 2¹ = 26864843 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 (26864843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96847 + ... + 97123.

It is an arithmetic number, because the mean of its divisors is an integer number (1230984).

Almost surely, 2^26864845 is an apocalyptic number.

It is an amenable number.

26864845 is a deficient number, since it is larger than the sum of its proper divisors (12526643).

26864845 is a wasteful number, since it uses less digits than its factorization.

26864845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 368640, while the sum is 43.

The square root of 26864845 is about 5183.1308106202. The cubic root of 26864845 is about 299.4985883473.

It can be divided in two parts, 268 and 64845, that multiplied together give a triangular number (17378460 = T₅₈₉₅).

The spelling of 26864845 in words is "twenty-six million, eight hundred sixty-four thousand, eight hundred forty-five".