28208533030 has 32 divisors (see below), whose sum is σ = 51301693440. Its totient is φ = 11167050720.

The previous prime is 28208533021. The next prime is 28208533033. The reversal of 28208533030 is 3033580282.

It is a happy number.

28208533030 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28208533033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340347 + ... + 415033.

It is an arithmetic number, because the mean of its divisors is an integer number (1603177920).

Almost surely, 2^28208533030 is an apocalyptic number.

28208533030 is a deficient number, since it is larger than the sum of its proper divisors (23093160410).

28208533030 is a wasteful number, since it uses less digits than its factorization.

28208533030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75084.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 28208533030 in words is "twenty-eight billion, two hundred eight million, five hundred thirty-three thousand, thirty".