25686882 has 40 divisors (see below), whose sum is σ = 61990236. Its totient is φ = 7903008.

The previous prime is 25686853. The next prime is 25686887. The reversal of 25686882 is 28868652.

25686882 is a `hidden beast` number, since 2 + 568 + 6 + 8 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25492401 + 194481 = 5049^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (25686887) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3993 + ... + 8204.

Almost surely, 2^25686882 is an apocalyptic number.

25686882 is an abundant number, since it is smaller than the sum of its proper divisors (36303354).

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

25686882 is a wasteful number, since it uses less digits than its factorization.

25686882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224 (or 12215 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 25686882 is about 5068.2227654277. Note that the first 3 decimals coincide. The cubic root of 25686882 is about 295.0555559449.

The spelling of 25686882 in words is "twenty-five million, six hundred eighty-six thousand, eight hundred eighty-two".