25083810828 has 72 divisors (see below), whose sum is σ = 69301814400. Its totient is φ = 7615572480.

The previous prime is 25083810827. The next prime is 25083810839. The reversal of 25083810828 is 82801838052.

25083810828 is a `hidden beast` number, since 2 + 508 + 38 + 108 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (25083810823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642103 + ... + 680046.

It is an arithmetic number, because the mean of its divisors is an integer number (962525200).

Almost surely, 2^25083810828 is an apocalyptic number.

It is an amenable number.

25083810828 is an abundant number, since it is smaller than the sum of its proper divisors (44218003572).

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

25083810828 is a wasteful number, since it uses less digits than its factorization.

25083810828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322207 (or 1322202 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 25083810828 in words is "twenty-five billion, eighty-three million, eight hundred ten thousand, eight hundred twenty-eight".