28286352005 has 8 divisors (see below), whose sum is σ = 34518938400. Its totient is φ = 22245537616.

The previous prime is 28286351999. The next prime is 28286352013. The reversal of 28286352005 is 50025368282.

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-28286352005 is a prime.

It is a super-3 number, since 3×28286352005³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47942675 + ... + 47943264.

It is an arithmetic number, because the mean of its divisors is an integer number (4314867300).

Almost surely, 2^28286352005 is an apocalyptic number.

It is an amenable number.

28286352005 is a deficient number, since it is larger than the sum of its proper divisors (6232586395).

28286352005 is an equidigital number, since it uses as much as digits as its factorization.

28286352005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95886003.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 28286352005 in words is "twenty-eight billion, two hundred eighty-six million, three hundred fifty-two thousand, five".