26864788 has 24 divisors (see below), whose sum is σ = 49137480. Its totient is φ = 12835200.

The previous prime is 26864771. The next prime is 26864791. The reversal of 26864788 is 88746862.

It can be written as a sum of positive squares in 4 ways, for example, as 8305924 + 18558864 = 2882^2 + 4308^2 .

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

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, 10570 + ... + 12862.

It is an arithmetic number, because the mean of its divisors is an integer number (2047395).

Almost surely, 2^26864788 is an apocalyptic number.

It is an amenable number.

26864788 is a deficient number, since it is larger than the sum of its proper divisors (22272692).

26864788 is a wasteful number, since it uses less digits than its factorization.

26864788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2425 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The square root of 26864788 is about 5183.1253120101. The cubic root of 26864788 is about 299.4983765286.

It can be divided in two parts, 268 and 64788, that added together give a palindrome (65056).

The spelling of 26864788 in words is "twenty-six million, eight hundred sixty-four thousand, seven hundred eighty-eight".