28091804383 has 8 divisors (see below), whose sum is σ = 28130236416. Its totient is φ = 28053399000.

The previous prime is 28091804353. The next prime is 28091804387. The reversal of 28091804383 is 38340819082.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28091804383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28091804387) 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, 2908360 + ... + 2918002.

It is an arithmetic number, because the mean of its divisors is an integer number (3516279552).

Almost surely, 2^28091804383 is an apocalyptic number.

28091804383 is a deficient number, since it is larger than the sum of its proper divisors (38432033).

28091804383 is a wasteful number, since it uses less digits than its factorization.

28091804383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13325.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 28091804383 in words is "twenty-eight billion, ninety-one million, eight hundred four thousand, three hundred eighty-three".