28081207850204 has 12 divisors (see below), whose sum is σ = 50836669384200. Its totient is φ = 13556445169008.

The previous prime is 28081207850173. The next prime is 28081207850207. The reversal of 28081207850204 is 40205870218082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28081207850207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121039688894 + ... + 121039689125.

It is an arithmetic number, because the mean of its divisors is an integer number (4236389115350).

Almost surely, 2^{28081207850204} is an apocalyptic number.

It is an amenable number.

28081207850204 is a deficient number, since it is larger than the sum of its proper divisors (22755461533996).

28081207850204 is a wasteful number, since it uses less digits than its factorization.

28081207850204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242079378052 (or 242079378050 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 28081207850204 in words is "twenty-eight trillion, eighty-one billion, two hundred seven million, eight hundred fifty thousand, two hundred four".