25005800828 has 12 divisors (see below), whose sum is σ = 43956386880. Its totient is φ = 12446833152.

The previous prime is 25005800819. The next prime is 25005800857. The reversal of 25005800828 is 82800850052.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25005800791 and 25005800800.

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, 14015813 + ... + 14017596.

It is an arithmetic number, because the mean of its divisors is an integer number (3663032240).

Almost surely, 2^25005800828 is an apocalyptic number.

It is an amenable number.

25005800828 is a deficient number, since it is larger than the sum of its proper divisors (18950586052).

25005800828 is a wasteful number, since it uses less digits than its factorization.

25005800828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28033636 (or 28033634 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 38.

The spelling of 25005800828 in words is "twenty-five billion, five million, eight hundred thousand, eight hundred twenty-eight".