26864782268 has 24 divisors (see below), whose sum is σ = 48079193568. Its totient is φ = 13131127296.

The previous prime is 26864782267. The next prime is 26864782303. The reversal of 26864782268 is 86228746862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864782267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374096 + ... + 440087.

It is an arithmetic number, because the mean of its divisors is an integer number (2003299732).

Almost surely, 2^26864782268 is an apocalyptic number.

It is an amenable number.

26864782268 is a deficient number, since it is larger than the sum of its proper divisors (21214411300).

26864782268 is a wasteful number, since it uses less digits than its factorization.

26864782268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814373 (or 814371 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 59.

The spelling of 26864782268 in words is "twenty-six billion, eight hundred sixty-four million, seven hundred eighty-two thousand, two hundred sixty-eight".