28882541906 has 8 divisors (see below), whose sum is σ = 43324849164. Its totient is φ = 14440925520.

The previous prime is 28882541879. The next prime is 28882541911. The reversal of 28882541906 is 60914528882.

It can be written as a sum of positive squares in 2 ways, for example, as 28850721025 + 31820881 = 169855^2 + 5641^2 .

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

It is a super-2 number, since 2×28882541906² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51065 + ... + 245708.

Almost surely, 2^28882541906 is an apocalyptic number.

28882541906 is a deficient number, since it is larger than the sum of its proper divisors (14442307258).

28882541906 is a wasteful number, since it uses less digits than its factorization.

28882541906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345436.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 28882541906 in words is "twenty-eight billion, eight hundred eighty-two million, five hundred forty-one thousand, nine hundred six".