28507276206 has 24 divisors (see below), whose sum is σ = 61898044104. Its totient is φ = 9482074800.

The previous prime is 28507276201. The next prime is 28507276219. The reversal of 28507276206 is 60267270582.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28507276201) 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 11 ways as a sum of consecutive naturals, for example, 1687245 + ... + 1704056.

It is an arithmetic number, because the mean of its divisors is an integer number (2579085171).

Almost surely, 2^28507276206 is an apocalyptic number.

28507276206 is an abundant number, since it is smaller than the sum of its proper divisors (33390767898).

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

28507276206 is a wasteful number, since it uses less digits than its factorization.

28507276206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391776 (or 3391773 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 28507276206 in words is "twenty-eight billion, five hundred seven million, two hundred seventy-six thousand, two hundred six".