28202680936 has 16 divisors (see below), whose sum is σ = 53425183140. Its totient is φ = 13955965440.

The previous prime is 28202680879. The next prime is 28202680939. The reversal of 28202680936 is 63908620282.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25520062500 + 2682618436 = 159750^2 + 51794^2 .

It is not an unprimeable number, because it can be changed into a prime (28202680939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18171055 + ... + 18172606.

Almost surely, 2^28202680936 is an apocalyptic number.

It is an amenable number.

28202680936 is a deficient number, since it is larger than the sum of its proper divisors (25222502204).

28202680936 is a wasteful number, since it uses less digits than its factorization.

28202680936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343764 (or 36343760 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 28202680936 in words is "twenty-eight billion, two hundred two million, six hundred eighty thousand, nine hundred thirty-six".