28082105318 has 16 divisors (see below), whose sum is σ = 43156910160. Its totient is φ = 13696569600.

The previous prime is 28082105291. The next prime is 28082105329. The reversal of 28082105318 is 81350128082.

It is a happy number.

It is a super-2 number, since 2×28082105318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641453 + ... + 683831.

It is an arithmetic number, because the mean of its divisors is an integer number (2697306885).

Almost surely, 2^28082105318 is an apocalyptic number.

28082105318 is a deficient number, since it is larger than the sum of its proper divisors (15074804842).

28082105318 is a wasteful number, since it uses less digits than its factorization.

28082105318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50503.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 28082105318 in words is "twenty-eight billion, eighty-two million, one hundred five thousand, three hundred eighteen".