26871255672 has 128 divisors (see below), whose sum is σ = 71806694400. Its totient is φ = 8360681472.

The previous prime is 26871255637. The next prime is 26871255673. The reversal of 26871255672 is 27655217862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26871255673) 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, 5644029 + ... + 5648787.

It is an arithmetic number, because the mean of its divisors is an integer number (560989800).

Almost surely, 2^26871255672 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 26871255672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35903347200).

26871255672 is an abundant number, since it is smaller than the sum of its proper divisors (44935438728).

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

26871255672 is a wasteful number, since it uses less digits than its factorization.

26871255672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5037 (or 5033 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 26871255672 in words is "twenty-six billion, eight hundred seventy-one million, two hundred fifty-five thousand, six hundred seventy-two".