28080185433 has 8 divisors (see below), whose sum is σ = 37466020608. Its totient is φ = 18707236944.

The previous prime is 28080185333. The next prime is 28080185461. The reversal of 28080185433 is 33458108082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28080185433 - 2¹⁶ = 28080119897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28080185233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216585 + ... + 3225302.

It is an arithmetic number, because the mean of its divisors is an integer number (4683252576).

Almost surely, 2^28080185433 is an apocalyptic number.

It is an amenable number.

28080185433 is a deficient number, since it is larger than the sum of its proper divisors (9385835175).

28080185433 is a wasteful number, since it uses less digits than its factorization.

28080185433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443343.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 28080185433 in words is "twenty-eight billion, eighty million, one hundred eighty-five thousand, four hundred thirty-three".