26864486918 has 16 divisors (see below), whose sum is σ = 41436954384. Its totient is φ = 13053065760.

The previous prime is 26864486917. The next prime is 26864486923. The reversal of 26864486918 is 81968446862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26864486917) 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, 163805 + ... + 283832.

It is an arithmetic number, because the mean of its divisors is an integer number (2589809649).

Almost surely, 2^26864486918 is an apocalyptic number.

26864486918 is a deficient number, since it is larger than the sum of its proper divisors (14572467466).

26864486918 is a wasteful number, since it uses less digits than its factorization.

26864486918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448487.

The product of its digits is 31850496, while the sum is 62.

The spelling of 26864486918 in words is "twenty-six billion, eight hundred sixty-four million, four hundred eighty-six thousand, nine hundred eighteen".