25000085000028 has 24 divisors (see below), whose sum is σ = 58333844902032. Its totient is φ = 8333316918784.

The previous prime is 25000085000027. The next prime is 25000085000089. The reversal of 25000085000028 is 82000058000052.

It is a junction number, because it is equal to n+sod(n) for n = 25000084999959 and 25000085000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000085000027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3225525 + ... + 7772012.

It is an arithmetic number, because the mean of its divisors is an integer number (2430576870918).

Almost surely, 2^{25000085000028} is an apocalyptic number.

It is an amenable number.

25000085000028 is an abundant number, since it is smaller than the sum of its proper divisors (33333759902004).

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

25000085000028 is a wasteful number, since it uses less digits than its factorization.

25000085000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186981 (or 11186979 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The spelling of 25000085000028 in words is "twenty-five trillion, eighty-five million, twenty-eight", and thus it is an aban number and an uban number.