25686848 has 84 divisors (see below), whose sum is σ = 58375296. Its totient is φ = 11193600.

The previous prime is 25686839. The next prime is 25686851. The reversal of 25686848 is 84868652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240011 + ... + 240117.

It is an arithmetic number, because the mean of its divisors is an integer number (694944).

Almost surely, 2^25686848 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 25686848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29187648).

25686848 is an abundant number, since it is smaller than the sum of its proper divisors (32688448).

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

25686848 is a wasteful number, since it uses less digits than its factorization.

25686848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 151 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 25686848 is about 5068.2194111936. The cubic root of 25686848 is about 295.0554257631.

The spelling of 25686848 in words is "twenty-five million, six hundred eighty-six thousand, eight hundred forty-eight".