28357828206 has 16 divisors (see below), whose sum is σ = 59700691200. Its totient is φ = 8955103608.

The previous prime is 28357828199. The next prime is 28357828271. The reversal of 28357828206 is 60282875382.

It is a super-2 number, since 2×28357828206² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 124376326 + ... + 124376553.

It is an arithmetic number, because the mean of its divisors is an integer number (3731293200).

Almost surely, 2^28357828206 is an apocalyptic number.

28357828206 is an abundant number, since it is smaller than the sum of its proper divisors (31342862994).

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

28357828206 is a wasteful number, since it uses less digits than its factorization.

28357828206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248752903.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 28357828206 in words is "twenty-eight billion, three hundred fifty-seven million, eight hundred twenty-eight thousand, two hundred six".