28142478302 has 8 divisors (see below), whose sum is σ = 42357792456. Its totient is φ = 14023214152.

The previous prime is 28142478293. The next prime is 28142478341. The reversal of 28142478302 is 20387424182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28142478302.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24011768 + ... + 24012939.

It is an arithmetic number, because the mean of its divisors is an integer number (5294724057).

Almost surely, 2^28142478302 is an apocalyptic number.

28142478302 is a deficient number, since it is larger than the sum of its proper divisors (14215314154).

28142478302 is a wasteful number, since it uses less digits than its factorization.

28142478302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48025002.

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 28142478302 in words is "twenty-eight billion, one hundred forty-two million, four hundred seventy-eight thousand, three hundred two".