28320625162 has 8 divisors (see below), whose sum is σ = 42482506500. Its totient is φ = 14159789664.

The previous prime is 28320625139. The next prime is 28320625163. The reversal of 28320625162 is 26152602382.

It can be written as a sum of positive squares in 2 ways, for example, as 28204179481 + 116445681 = 167941^2 + 10791^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28320625163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189837 + ... + 304432.

Almost surely, 2^28320625162 is an apocalyptic number.

28320625162 is a deficient number, since it is larger than the sum of its proper divisors (14161881338).

28320625162 is a wasteful number, since it uses less digits than its factorization.

28320625162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522920.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 28320625162 in words is "twenty-eight billion, three hundred twenty million, six hundred twenty-five thousand, one hundred sixty-two".