28183256803 has 8 divisors (see below), whose sum is σ = 30766970528. Its totient is φ = 25658938944.

The previous prime is 28183256771. The next prime is 28183256831. The reversal of 28183256803 is 30865238182.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28183256803 - 2⁵ = 28183256771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28183206803) 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, 14847975 + ... + 14849872.

It is an arithmetic number, because the mean of its divisors is an integer number (3845871316).

Almost surely, 2^28183256803 is an apocalyptic number.

28183256803 is a deficient number, since it is larger than the sum of its proper divisors (2583713725).

28183256803 is a wasteful number, since it uses less digits than its factorization.

28183256803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29697933.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 28183256803 in words is "twenty-eight billion, one hundred eighty-three million, two hundred fifty-six thousand, eight hundred three".