25785888 has 96 divisors (see below), whose sum is σ = 72656640. Its totient is φ = 7983360.

The previous prime is 25785887. The next prime is 25785911. The reversal of 25785888 is 88858752.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 25785888.

It is not an unprimeable number, because it can be changed into a prime (25785883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122103 + ... + 122313.

It is an arithmetic number, because the mean of its divisors is an integer number (756840).

Almost surely, 2^25785888 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 25785888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36328320).

25785888 is an abundant number, since it is smaller than the sum of its proper divisors (46870752).

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

25785888 is a wasteful number, since it uses less digits than its factorization.

25785888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 302 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 51.

The square root of 25785888 is about 5077.9807010267. The cubic root of 25785888 is about 295.4341515147.

The spelling of 25785888 in words is "twenty-five million, seven hundred eighty-five thousand, eight hundred eighty-eight".