25796988 has 48 divisors (see below), whose sum is σ = 76437760. Its totient is φ = 7370352.

The previous prime is 25796987. The next prime is 25796993. The reversal of 25796988 is 88969752.

It is a happy number.

25796988 is a `hidden beast` number, since 2 + 579 + 69 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25796987) 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, 16306 + ... + 17817.

Almost surely, 2^25796988 is an apocalyptic number.

25796988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25796988 is an abundant number, since it is smaller than the sum of its proper divisors (50640772).

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

25796988 is a wasteful number, since it uses less digits than its factorization.

25796988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143 (or 34135 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 25796988 is about 5079.0735375657. The cubic root of 25796988 is about 295.4765370842.

The spelling of 25796988 in words is "twenty-five million, seven hundred ninety-six thousand, nine hundred eighty-eight".