25680830808 has 16 divisors (see below), whose sum is σ = 64202077080. Its totient is φ = 8560276928.

The previous prime is 25680830797. The next prime is 25680830827. The reversal of 25680830808 is 80803808652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535017285 + ... + 535017332.

Almost surely, 2^25680830808 is an apocalyptic number.

It is an amenable number.

25680830808 is an abundant number, since it is smaller than the sum of its proper divisors (38521246272).

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

25680830808 is a wasteful number, since it uses less digits than its factorization.

25680830808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070034626 (or 1070034622 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 25680830808 in words is "twenty-five billion, six hundred eighty million, eight hundred thirty thousand, eight hundred eight".