28233533192 has 12 divisors (see below), whose sum is σ = 52938765855. Its totient is φ = 14116528968.

The previous prime is 28233533177. The next prime is 28233533213. The reversal of 28233533192 is 29133533282.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 14116766596 + 14116766596 = 118814^2 + 118814^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=118814.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 445553 + ... + 504959.

Almost surely, 2^28233533192 is an apocalyptic number.

It is an amenable number.

28233533192 is a deficient number, since it is larger than the sum of its proper divisors (24705232663).

28233533192 is an frugal number, since it uses more digits than its factorization.

28233533192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118820 (or 59409 counting only the distinct ones).

The product of its digits is 233280, while the sum is 41.

The spelling of 28233533192 in words is "twenty-eight billion, two hundred thirty-three million, five hundred thirty-three thousand, one hundred ninety-two".