25876638 has 32 divisors (see below), whose sum is σ = 57784320. Its totient is φ = 8583480.

The previous prime is 25876637. The next prime is 25876639. The reversal of 25876638 is 83667852.

25876638 is a `hidden beast` number, since 2 + 5 + 8 + 7 + 6 + 638 = 666.

It is an interprime number because it is at equal distance from previous prime (25876637) and next prime (25876639).

It is a junction number, because it is equal to n+sod(n) for n = 25876593 and 25876602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25876637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11203 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 2^25876638 is an apocalyptic number.

25876638 is an abundant number, since it is smaller than the sum of its proper divisors (31907682).

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

25876638 is a wasteful number, since it uses less digits than its factorization.

25876638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2343 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 25876638 is about 5086.9084914120. The cubic root of 25876638 is about 295.7803261152.

The spelling of 25876638 in words is "twenty-five million, eight hundred seventy-six thousand, six hundred thirty-eight".