28028063052802 has 4 divisors (see below), whose sum is σ = 42042094579206. Its totient is φ = 14014031526400.

The previous prime is 28028063052799. The next prime is 28028063052877. The reversal of 28028063052802 is 20825036082082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22955032081881 + 5073030970921 = 4791141^2 + 2252339^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007015763199 + ... + 7007015763202.

Almost surely, 2^{28028063052802} is an apocalyptic number.

28028063052802 is a deficient number, since it is larger than the sum of its proper divisors (14014031526404).

28028063052802 is a wasteful number, since it uses less digits than its factorization.

28028063052802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14014031526403.

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 28028063052802 in words is "twenty-eight trillion, twenty-eight billion, sixty-three million, fifty-two thousand, eight hundred two".