28735540206 has 16 divisors (see below), whose sum is σ = 57501819648. Its totient is φ = 9573390200.

The previous prime is 28735540157. The next prime is 28735540217. The reversal of 28735540206 is 60204553782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268640 + ... + 1291091.

It is an arithmetic number, because the mean of its divisors is an integer number (3593863728).

Almost surely, 2^28735540206 is an apocalyptic number.

28735540206 is an abundant number, since it is smaller than the sum of its proper divisors (28766279442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28735540206 is a wasteful number, since it uses less digits than its factorization.

28735540206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561607.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 28735540206 in words is "twenty-eight billion, seven hundred thirty-five million, five hundred forty thousand, two hundred six".