25988788 has 48 divisors (see below), whose sum is σ = 54476800. Its totient is φ = 10614240.

The previous prime is 25988783. The next prime is 25988839. The reversal of 25988788 is 88788952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25988783) 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, 68383 + ... + 68761.

Almost surely, 2^25988788 is an apocalyptic number.

25988788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25988788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27238400).

25988788 is an abundant number, since it is smaller than the sum of its proper divisors (28488012).

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

25988788 is a wasteful number, since it uses less digits than its factorization.

25988788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 498 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 55.

The square root of 25988788 is about 5097.9199679869. The cubic root of 25988788 is about 296.2070167361.

The spelling of 25988788 in words is "twenty-five million, nine hundred eighty-eight thousand, seven hundred eighty-eight".