28003025034 has 12 divisors (see below), whose sum is σ = 60673220946. Its totient is φ = 9334341672.

The previous prime is 28003025003. The next prime is 28003025041. The reversal of 28003025034 is 43052030082.

28003025034 is a `hidden beast` number, since 280 + 0 + 302 + 50 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18497360025 + 9505665009 = 136005^2 + 97497^2 .

It is a super-2 number, since 2×28003025034² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28003024989 and 28003025007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777861789 + ... + 777861824.

Almost surely, 2^28003025034 is an apocalyptic number.

28003025034 is an abundant number, since it is smaller than the sum of its proper divisors (32670195912).

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

28003025034 is a wasteful number, since it uses less digits than its factorization.

28003025034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555723621 (or 1555723618 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 28003025034 in words is "twenty-eight billion, three million, twenty-five thousand, thirty-four".