26147538768 has 160 divisors (see below), whose sum is σ = 74860208640. Its totient is φ = 7813140480.

The previous prime is 26147538763. The next prime is 26147538773. The reversal of 26147538768 is 86783574162.

It is an interprime number because it is at equal distance from previous prime (26147538763) and next prime (26147538773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26147538763) 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, 5856505 + ... + 5860967.

It is an arithmetic number, because the mean of its divisors is an integer number (467876304).

Almost surely, 2^26147538768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26147538768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37430104320).

26147538768 is an abundant number, since it is smaller than the sum of its proper divisors (48712669872).

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

26147538768 is a wasteful number, since it uses less digits than its factorization.

26147538768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757 (or 4751 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 26147538768 in words is "twenty-six billion, one hundred forty-seven million, five hundred thirty-eight thousand, seven hundred sixty-eight".