25869788 has 24 divisors (see below), whose sum is σ = 51899232. Its totient is φ = 11052864.

The previous prime is 25869743. The next prime is 25869791. The reversal of 25869788 is 88796852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9206 + ... + 11682.

It is an arithmetic number, because the mean of its divisors is an integer number (2162468).

Almost surely, 2^25869788 is an apocalyptic number.

25869788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25869788 is an abundant number, since it is smaller than the sum of its proper divisors (26029444).

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

25869788 is a wasteful number, since it uses less digits than its factorization.

25869788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861 (or 2859 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 25869788 is about 5086.2351498923. The cubic root of 25869788 is about 295.7542243983.

The spelling of 25869788 in words is "twenty-five million, eight hundred sixty-nine thousand, seven hundred eighty-eight".