28147693529089 has 8 divisors (see below), whose sum is σ = 28161110397888. Its totient is φ = 28134278707920.

The previous prime is 28147693529069. The next prime is 28147693529141. The reversal of 28147693529089 is 98092539674182.

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 28147693529089 - 2⁷ = 28147693528961 is a prime.

It is a super-3 number, since 3×28147693529089³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28147693529069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27348084 + ... + 28358650.

It is an arithmetic number, because the mean of its divisors is an integer number (3520138799736).

It is a 1-persistent number, because it is pandigital, but 2⋅28147693529089 = 56295387058178 is not.

Almost surely, 2^{28147693529089} is an apocalyptic number.

It is an amenable number.

28147693529089 is a deficient number, since it is larger than the sum of its proper divisors (13416868799).

28147693529089 is a wasteful number, since it uses less digits than its factorization.

28147693529089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023815.

The product of its (nonzero) digits is 470292480, while the sum is 73.

The spelling of 28147693529089 in words is "twenty-eight trillion, one hundred forty-seven billion, six hundred ninety-three million, five hundred twenty-nine thousand, eighty-nine".