28287146429 has 8 divisors (see below), whose sum is σ = 28449792000. Its totient is φ = 28124552512.

The previous prime is 28287146417. The next prime is 28287146443. The reversal of 28287146429 is 92464178282.

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-28287146429 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 (28287146449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834052 + ... + 1849410.

It is an arithmetic number, because the mean of its divisors is an integer number (3556224000).

Almost surely, 2^28287146429 is an apocalyptic number.

It is an amenable number.

28287146429 is a deficient number, since it is larger than the sum of its proper divisors (162645571).

28287146429 is a wasteful number, since it uses less digits than its factorization.

28287146429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25827.

The product of its digits is 3096576, while the sum is 53.

The spelling of 28287146429 in words is "twenty-eight billion, two hundred eighty-seven million, one hundred forty-six thousand, four hundred twenty-nine".