25890868 has 12 divisors (see below), whose sum is σ = 45405472. Its totient is φ = 12917880.

The previous prime is 25890857. The next prime is 25890869. The reversal of 25890868 is 86809852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25890869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4698 + ... + 8593.

Almost surely, 2^25890868 is an apocalyptic number.

It is an amenable number.

25890868 is a deficient number, since it is larger than the sum of its proper divisors (19514604).

25890868 is a wasteful number, since it uses less digits than its factorization.

25890868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782 (or 13780 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 25890868 is about 5088.3069875942. The cubic root of 25890868 is about 295.8345343776.

The spelling of 25890868 in words is "twenty-five million, eight hundred ninety thousand, eight hundred sixty-eight".