28383836617 has 8 divisors (see below), whose sum is σ = 28851889472. Its totient is φ = 27915872400.

The previous prime is 28383836581. The next prime is 28383836687. The reversal of 28383836617 is 71663838382.

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 28383836617 - 2¹¹ = 28383834569 is a prime.

It is a super-2 number, since 2×28383836617² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28383836687) 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, 1035118 + ... + 1062184.

It is an arithmetic number, because the mean of its divisors is an integer number (3606486184).

Almost surely, 2^28383836617 is an apocalyptic number.

It is an amenable number.

28383836617 is a deficient number, since it is larger than the sum of its proper divisors (468052855).

28383836617 is a wasteful number, since it uses less digits than its factorization.

28383836617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44319.

The product of its digits is 6967296, while the sum is 55.

The spelling of 28383836617 in words is "twenty-eight billion, three hundred eighty-three million, eight hundred thirty-six thousand, six hundred seventeen".