28363328137 has 8 divisors (see below), whose sum is σ = 28637012096. Its totient is φ = 28090822032.

The previous prime is 28363328089. The next prime is 28363328177. The reversal of 28363328137 is 73182336382.

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-28363328137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28363328177) 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, 246033 + ... + 342430.

It is an arithmetic number, because the mean of its divisors is an integer number (3579626512).

Almost surely, 2^28363328137 is an apocalyptic number.

It is an amenable number.

28363328137 is a deficient number, since it is larger than the sum of its proper divisors (273683959).

28363328137 is a wasteful number, since it uses less digits than its factorization.

28363328137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588927.

The product of its digits is 870912, while the sum is 46.

The spelling of 28363328137 in words is "twenty-eight billion, three hundred sixty-three million, three hundred twenty-eight thousand, one hundred thirty-seven".