26386713318 has 64 divisors (see below), whose sum is σ = 61974033408. Its totient is φ = 7331575680.

The previous prime is 26386713313. The next prime is 26386713323. The reversal of 26386713318 is 81331768362.

It is an interprime number because it is at equal distance from previous prime (26386713313) and next prime (26386713323).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26386713313) 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, 4716703 + ... + 4722293.

It is an arithmetic number, because the mean of its divisors is an integer number (968344272).

Almost surely, 2^26386713318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26386713318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30987016704).

26386713318 is an abundant number, since it is smaller than the sum of its proper divisors (35587320090).

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

26386713318 is a wasteful number, since it uses less digits than its factorization.

26386713318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8677.

The product of its digits is 870912, while the sum is 48.

The spelling of 26386713318 in words is "twenty-six billion, three hundred eighty-six million, seven hundred thirteen thousand, three hundred eighteen".