25275089688 has 16 divisors (see below), whose sum is σ = 63187724280. Its totient is φ = 8425029888.

The previous prime is 25275089687. The next prime is 25275089729. The reversal of 25275089688 is 88698057252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275089683) 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, 526564345 + ... + 526564392.

Almost surely, 2^25275089688 is an apocalyptic number.

It is an amenable number.

25275089688 is an abundant number, since it is smaller than the sum of its proper divisors (37912634592).

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

25275089688 is a wasteful number, since it uses less digits than its factorization.

25275089688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053128746 (or 1053128742 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 25275089688 in words is "twenty-five billion, two hundred seventy-five million, eighty-nine thousand, six hundred eighty-eight".