28320627127 has 16 divisors (see below), whose sum is σ = 31694342400. Its totient is φ = 25128979200.

The previous prime is 28320627107. The next prime is 28320627133. The reversal of 28320627127 is 72172602382.

It is a de Polignac number, because none of the positive numbers 2^k-28320627127 is a prime.

It is a super-3 number, since 3×28320627127³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28320627127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28320627107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175774 + ... + 295867.

It is an arithmetic number, because the mean of its divisors is an integer number (1980896400).

Almost surely, 2^28320627127 is an apocalyptic number.

28320627127 is a deficient number, since it is larger than the sum of its proper divisors (3373715273).

28320627127 is a wasteful number, since it uses less digits than its factorization.

28320627127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471834.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 28320627127 in words is "twenty-eight billion, three hundred twenty million, six hundred twenty-seven thousand, one hundred twenty-seven".