28307557606 has 16 divisors (see below), whose sum is σ = 43327088640. Its totient is φ = 13867930440.

The previous prime is 28307557601. The next prime is 28307557631. The reversal of 28307557606 is 60675570382.

It is a self number, because there is not a number n which added to its sum of digits gives 28307557606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28307557601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 663126 + ... + 704521.

It is an arithmetic number, because the mean of its divisors is an integer number (2707943040).

Almost surely, 2^28307557606 is an apocalyptic number.

28307557606 is a deficient number, since it is larger than the sum of its proper divisors (15019531034).

28307557606 is a wasteful number, since it uses less digits than its factorization.

28307557606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367859.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 28307557606 in words is "twenty-eight billion, three hundred seven million, five hundred fifty-seven thousand, six hundred six".