28002530525208 has 64 divisors (see below), whose sum is σ = 70684962564960. Its totient is φ = 9244111896576.

The previous prime is 28002530525183. The next prime is 28002530525239. The reversal of 28002530525208 is 80252503520082.

It is a self number, because there is not a number n which added to its sum of digits gives 28002530525208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12054235 + ... + 14188362.

Almost surely, 2^{28002530525208} is an apocalyptic number.

It is an amenable number.

28002530525208 is an abundant number, since it is smaller than the sum of its proper divisors (42682432039752).

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

28002530525208 is a wasteful number, since it uses less digits than its factorization.

28002530525208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26243036 (or 26243032 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 28002530525208 in words is "twenty-eight trillion, two billion, five hundred thirty million, five hundred twenty-five thousand, two hundred eight".